<?xml version="1.0" encoding="UTF-8"?>
<!--____________________________________________________________________________________
© Copyright 2020, CESSDA ERIC
Licence: This document is issued under a CC BY licence (https://creativecommons.org/licenses/by/4.0/)
Author: Darren Bell - UK Data Service, Katja Moilanen - FSD, Matthew Morris - CESSDA
Created: 2021-03-10
Version: v3.0.0
Change summary from v2.0.1: See change log at https://github.com/cessda/cessda.metadata.profiles/blob/main/CHANGELOG.md
Last modified 2025-12-09 Katja Moilanen
____________________________________________________________________________________
-->
<pr:DDIProfile xmlns:r="ddi:reusable:3_2"
               xmlns:pr="ddi:ddiprofile:3_2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="ddi:ddiprofile:3_2 https://ddialliance.org/Specification/DDI-Lifecycle/3.2/XMLSchema/ddiprofile.xsd"
               versionDate="2025-12-09">
    <r:Agency>CESSDA</r:Agency>
    <r:ID>CDC_DDI32_PROFILE</r:ID>
    <r:Version>3.0.0</r:Version>
    <r:VersionResponsibility>Katja Moilanen - FSD</r:VersionResponsibility>
    <pr:DDIProfileName>
        <r:String>CESSDA DATA CATALOGUE (CDC) DDI3.2 PROFILE</r:String>
    </pr:DDIProfileName>
    <pr:XPathVersion>1.0</pr:XPathVersion>
    <pr:DDINamespace>3.2</pr:DDINamespace>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>ddi</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:instance:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>s</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:studyunit:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>pi</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:physicalinstance:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>c</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:conceptualcomponent:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>l</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:logicalproduct:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>r</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:reusable:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>d</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:datacollection:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>a</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:archive:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>g</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:group:3_2</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>xsi</pr:XMLPrefix>
        <pr:XMLNamespace>http://www.w3.org/2001/XMLSchema-instance</pr:XMLNamespace>
    </pr:XMLPrefixMap>
    <!--****************************************************************************************-->
    <!--ROOT ELEMENT-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:DDIInstance/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: ISO 639-1 codes are strongly encouraged to be used.</r:Content>
            <r:Content>CDC_UI_Label: Study description available in.. (in the search result list)</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:DDIInstance/@xsi:schemaLocation"
        defaultValue="ddi:instance:3_2 http://www.ddialliance.org/Specification/DDI-Lifecycle/3.2/XMLSchema/instance.xsd"
        fixedValue="false" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: System-required information - nearly always "ddi:instance:3_2
                http://www.ddialliance.org/Specification/DDI-Lifecycle/3.2/XMLSchema/instance.xsd".</r:Content>
         <r:Content>CMM_Mapping: 11.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	 <pr:Used xpath="/ddi:FragmentInstance/@xsi:schemaLocation"
        defaultValue="ddi:instance:3_2 http://www.ddialliance.org/Specification/DDI-Lifecycle/3.2/XMLSchema/instance.xsd"
        fixedValue="false" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: ddi:FragmentInstance is another option for root element. System-required information - nearly always
                 "ddi:instance:3_2 http://www.ddialliance.org/Specification/DDI-Lifecycle/3.2/XMLSchema/instance.xsd".</r:Content>
         <r:Content>CMM_Mapping: 11.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--XML DOCUMENT TITLE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:DDIInstance/r:Citation/r:Title/r:String" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Title of the CDC XML document - note that the Study Title goes in
                /ddi:DDIInstance/s:StudyUnit/r:Citation/r:Title/r:String.</r:Content>
            <r:Content>CMM_Mapping: 11.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:DDIInstance/r:Citation/r:Title/r:String/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '..r:Title/r:String' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: ISO 639-1 codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 11.1.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--LANGUAGE OF DATA FILES-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//pi:PhysicalInstance/r:Citation/r:Language"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: ISO 639-1 codes are strongly encouraged to be used if available for the language.</r:Content>
            <r:Content>CDC_UI_Label: Language of data file(s)</r:Content>
            <r:Content>CMM_Mapping: 4.2.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--STUDY ARCHIVAL IDENTIFIER AND STUDY DESCRIPTION PAGE URL-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:UserID" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: This element serves two use cases.
                (1) Unique archival number.
                If no such number available, a PID may be used alternatively (and  in such a case,
                the PID must be captured in this element *as well as* in
                "/ddi:DDIInstance/s:StudyUnit/r:Citation/r:InternationalIdentifier/r:IdentifierContent").
                The @typeOfUserID attribute must be "StudyNumber".
                (2) A URL or URN (a reference to a web resource that specifies its location)
                linking to the study description on the SP website. CDC provides a link from
                the study information there to the study description on the SP website,
                to allow users to access the data.
                The @typeOfUserID attribute must be "URLServiceProvider".</r:Content>
           <r:Content>CDC_UI_Label: Study number / PID | Access study</r:Content>
           <r:Content>CMM_Mapping: 1.1.10.4/1.1.2 | 1.1.10.4.2/1.1.10.5</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:UserID/@typeOfUserID" defaultValue="StudyNumber"
        fixedValue="true" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Must be specifed when the "ddi:DDIInstance/s:StudyUnit/r:UserID"
                element is used for the unique archival number.</r:Content>
         <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:UserID/@typeOfUserID"
        defaultValue="URLServiceProvider" fixedValue="true" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Must be specifed when the "ddi:DDIInstance/s:StudyUnit/r:UserID"
                element is used for the URL of the study description at the SP website.</r:Content>
         <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--STUDY TITLE -->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:Title/r:String" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Title of the Study (as opposed to the title of the XML document).</r:Content>
            <r:Content>CDC_UI_Label: Study title</r:Content>
         <r:Content>CMM_Mapping: 1.1.3</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:Title/r:String/@xml:lang"
        isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the study title. ISO 639-1 codes are strongly encouraged
                to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.1.3.1</r:Content>
        </r:Description>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--PRINCIPAL INVESTIGATOR (CREATOR) PERSON/ORGANIZATION REFERENCE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:Creator/r:CreatorReference"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Reference to Principal investigator Person OR Institution.</r:Content>
            <r:Content>CDC_UI_Label: Creator</r:Content>
            <r:Content>CMM_Mapping: 1.1.7.1/1.1.7.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:Creator/r:CreatorReference/r:TypeOfObject"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'r:CreatorReference' is present.</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Type of object being referenced - in this case, it should always be either
            "Individual" or "Organization".</r:Content>
            <r:Content>CDC_UI_Label: Creator</r:Content>
            <r:Content>CMM_Mapping: 1.1.7.1.1/1.1.7.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--PUBLISHER ORGANIZATION REFERENCE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:Publisher/r:PublisherReference"
        isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: A reference to the name of the institution publishing the metadata,
                i.e. the name of the actual CESSDA Service Provider providing the metadata information. Only on study level.</r:Content>
            <r:Content>CDC_UI_Label: Publisher</r:Content>
            <r:Content>CMM_Mapping: 1.1.8</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:Publisher/r:PublisherReference/r:TypeOfObject"
        defaultValue="Organization" fixedValue="true" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'r:PublisherReference' is present</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Type of object being referenced - in this case, it should always be
                 "Organization".</r:Content>
            <r:Content>CDC_UI_Label: Publisher</r:Content>
            <r:Content>CMM_Mapping: 1.1.8</r:Content>
        </r:Description>
       <pr:Instructions>
           <r:Content>
               <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
           </r:Content>
       </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--DATE OF PUBLICATION-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:PublicationDate/r:SimpleDate" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Ideally 'YYYY-MM-DDThh:mm:ssZ' format, but can accept
                'YYYY-MM-DD', 'YYYY-MM' or 'YYYY' as date format.
                It is strongly recommended to provide the full date to allow
                sorting by publication date in CDC.
				If this date is in the future, CDC will try to read the publication date for CDC from
				ddi:DDIInstance/r:Citation/r:PublicationDate/r:SimpleDate (metadata publication date).
				It is not recommended to use this field for the embargo end date.</r:Content>
            <r:Content>CDC_UI_Label: Publication year</r:Content>
         <r:Content>CMM_Mapping: 1.1.9</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:DDIInstance/r:Citation/r:PublicationDate/r:SimpleDate" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: This field is used in CDC only if the date in the field
                //s:StudyUnit/r:Citation/r:PublicationDate/r:SimpleDate is in the future.
                Ideally 'YYYY-MM-DDThh:mm:ssZ' format, but can accept
                'YYYY-MM-DD', 'YYYY-MM' or 'YYYY' as date format.
                It is strongly recommended to provide the full date to allow
                sorting by publication date in CDC.</r:Content>
            <r:Content>CDC_UI_Label: Publication year</r:Content>
            <r:Content>CMM_Mapping: 11.1.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--STUDY PID-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//s:StudyUnit/r:Citation/r:InternationalIdentifier/r:IdentifierContent"
        isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Used for the study PID. PID must be one of these four types: ARK, DOI, Handle or URN.</r:Content>
            <r:Content>CMM_Mapping: 1.1.10.4</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Citation/r:InternationalIdentifier/r:ManagingAgency"
        isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Agency responsible for the persistent identifier of the study. Value
                should be one of
                https://vocabularies.cessda.eu/vocabulary/CessdaPersistentIdentifierTypes i.e. ARK
                or DOI or Handle or URN.</r:Content>
            <r:Content>CMM_Mapping: 1.1.10.4.1</r:Content>
        </r:Description>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--ABSTRACT-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:Abstract/r:Content" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The abstract for the study.</r:Content>
            <r:Content>CDC_UI_Label: Abstract</r:Content>
            <r:Content>CMM_Mapping: 1.2.1</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Abstract/r:Content/@xml:lang" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the abstract. ISO 639-1 codes are strongly encouraged to
                be used.</r:Content>
            <r:Content>CMM_Mapping: 1.2.1.1</r:Content>
        </r:Description>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--FUNDING INFORMATION-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:FundingInformation/r:AgencyOrganizationReference" isRequired="false">
       <r:Description>
            <r:Content>Required: Mandatory if ../r:FundingInformation is present</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Reference to the Agency which provided the funding.</r:Content>
		    <r:Content>CDC_UI_Label: Funder</r:Content>
            <r:Content>CMM_Mapping: 1.1.6.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:FundingInformation/r:AgencyOrganizationReference/r:TypeOfObject" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ../r:FundingInformation/r:AgencyOrganizationReference is present</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>Usage: Type of Agency which provided the funding.  Should be 'Organization'.</r:Content>
            <r:Content>CMM_Mapping: 1.1.6.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:FundingInformation/r:FunderRole" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: If different funding agencies sponsored different stages of the production process,
                use 'r:FunderRole' to distinguish the grant numbers.</r:Content>
            <r:Content>CMM_Mapping: 1.1.6.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:FundingInformation/r:GrantNumber" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The identification code of the grant or other monetary award which provided funding for the Study.
                If you know that the funder is included in the OpenAIRE list of Funders,
                see the instructions for grantNo syntax here:
                https://guidelines.openaire.eu/en/latest/data/field_contributor.html#nameidentifier-ma-o .
                Indicate the appropriate agency using the r:AgencyOrganizationReference element.
                If different funding agencies sponsored different stages of the production process,
                use the /r:FunderRole element to distinguish the grant numbers.</r:Content>
			<r:Content>CDC_UI_Label: Grant number</r:Content>
            <r:Content>CMM_Mapping: 1.1.6.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--SERIES INFORMATION-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:SeriesStatement/r:SeriesRepositoryLocation" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: URI to the series description page in the SPs web page</r:Content>
            <r:Content>CDC_UI_Label: Series</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:SeriesStatement/r:SeriesName/r:String" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The name of the series.</r:Content>
            <r:Content>CDC_UI_Label: Series</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:SeriesStatement/r:SeriesName/r:String/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the name of the series. ISO 639-1 codes are strongly encouraged
                to be used.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
            <Constraints>
                <RecommendedNodeConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:SeriesStatement/r:SeriesDescription/r:Content" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The description of the series.</r:Content>
            <r:Content>CDC_UI_Label: Series</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:SeriesStatement/r:SeriesDescription/r:Content/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the description of the series. ISO 639-1 codes are strongly encouraged
                to be used.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
            <Constraints>
                <RecommendedNodeConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--SUBJECTS AND KEYWORDS-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Subject"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Subject classifcation term for the study in the local language. Use
                descriptive terms from https://vocabularies.cessda.eu/vocabulary/TopicClassification
                if possible but other vocabularies are permitted.</r:Content>
            <r:Content>CDC_UI_Label: Topics</r:Content>
         <r:Content>CMM_Mapping: 1.2.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Subject/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if "/r:TopicalCoverage/r:Subject" element is
                present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the subject classification term. ISO 639-1 codes are
                strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.2.2.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Subject/@codeListName"
        defaultValue="CESSDA Topic Classification" fixedValue="false" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The name of the vocabulary. If possible, use "CESSDA Topic Classification"
                (regardless of language) but other vocabularies are permitted.</r:Content>
            <r:Content>CMM_Mapping: 1.2.2.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Subject/@codeListURN"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The Canonical URL of the CV version that is being used e.g.
                https://vocabularies.cessda.eu/v2/vocabularies/TopicClassification/4.2.3?languageVersion=en-4.2.3 .</r:Content>
            <r:Content>CMM_Mapping: 1.2.2.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Keyword"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Keyword for the study in the local language.</r:Content>
            <r:Content>CDC_UI_Label: Keywords</r:Content>
         <r:Content>CMM_Mapping: 1.2.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Keyword/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'r:keyword' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the keyword. ISO 639-1 codes are strongly encouraged to be
                used.</r:Content>
         <r:Content>CMM_Mapping: 1.2.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Keyword/@codeListName"
        defaultValue="ELSST" fixedValue="false" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended if 'r:keyword' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Source of keywords - ELSST is recommended but other vocabularies can
                be referenced.</r:Content>
		 <r:Content>CDC_UI_Label: Keywords (if ELSST)</r:Content>
         <r:Content>CMM_Mapping: 1.2.3.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:Coverage/r:TopicalCoverage/r:Keyword/@codeListURN"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Optional but note that if @vocab="ELSST", then
                use "https://elsst.cessda.eu/id" here.</r:Content>
         <r:Content>CMM_Mapping: 1.2.2.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--COUNTRY COVERAGE-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//s:StudyUnit/r:Coverage/r:SpatialCoverage/r:Description/r:Content"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Countries relevant to the study area.</r:Content>
            <r:Content>CDC_UI_Label: Country</r:Content>
         <r:Content>CMM_Mapping: 1.3.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:Coverage/r:SpatialCoverage/r:Description/r:Content/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '..r:SpatialCoverage/r:Description/r:Content' element
                is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the country label. ISO 639-1 codes are strongly encouraged
                to be used.</r:Content>
         <r:Content>CMM_Mapping: 1.3.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:Coverage/r:SpatialCoverage/r:Country_2"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>Usage: Use this element only if the country has an
                ISO 3166-1 2-letter code.</r:Content>
         <r:Content>CMM_Mapping: 1.3.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--ANALYSIS UNIT-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:AnalysisUnit" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Contains the Analysis Unit code value.</r:Content>
            <r:Content>CMM_Mapping: 1.3.5.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:AnalysisUnit/@codeListName"
        defaultValue="DDI Analysis Unit" fixedValue="true" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Use the string "DDI Analysis Unit" regardless of language.</r:Content>
         <r:Content>CMM_Mapping: 1.3.5.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:AnalysisUnit/@codeListURN" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The Canonical URL of the CV version that is being used e.g.
                https://vocabularies.cessda.eu/v2/vocabularies/AnalysisUnit/2.1.3?languageVersion=en-2.1.3 .</r:Content>
         <r:Content>CMM_Mapping: 1.3.5.5</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:AnalysisUnitsCovered/r:String"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Descriptive term of Analysis Unit CV item in the local language.</r:Content>
            <r:Content>CDC_UI_Label: Analysis unit</r:Content>
            <r:Content>CMM_Mapping: 1.3.5.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//s:StudyUnit/r:AnalysisUnitsCovered/r:String/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'r:AnalysisUnitsCovered/r:String' element is
                present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Analysis Unit descriptive term. ISO 639-1
                codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.3.5.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--RELATED PUBLICATIONS (AND PID)-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:TypeOfMaterial" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Should always be set as 'Related Publication'.</r:Content>
         <r:Content>CMM_Mapping: 9.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:Citation/r:Title/r:String" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The title of the related publication.</r:Content>
            <r:Content>CDC_UI_Label: Related publications</r:Content>
            <r:Content>CMM_Mapping: 9.5</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:Citation/r:Title/r:String/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the title of the related publication which also serves as the language of the publication.
                ISO 639-1 codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 9.5.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:Citation/r:PublicationDate/r:SimpleDate" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The publication year of the related publication.</r:Content>
            <r:Content>CMM_Mapping: 9.6</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:Citation/r:InternationalIdentifier/r:IdentifierContent" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: PID of the publication. Required by OpenAIRE to to relate the
                publication to a dataset.</r:Content>
         <r:Content>CMM_Mapping: 9.9</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:Citation/r:InternationalIdentifier/r:ManagingAgency" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Agency responsible for the identifier of the publication. Required by OpenAIRE and
                the value has to come from their controlled list of relatedIdentifierTypes:
                https://guidelines.openaire.eu/en/latest/data/field_relatedidentifier.html#d-relatedidentifier.</r:Content>
         <r:Content>CMM_Mapping: 9.9.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:OtherMaterial/r:ExternalURLReference" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: URL of website on which the publication can be found (or at least information concerning the literature).</r:Content>
            <r:Content>CMM_Mapping: 9.10</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--UNIVERSE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:UniverseReference" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Reference information of the Universe. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//s:StudyUnit/r:UniverseReference/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Universe. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:UniverseReference/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Universe. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:UniverseReference/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Universe. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:UniverseReference/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Universe. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//s:StudyUnit/r:UniverseReference/r:TypeOfObject" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ' //r:UniverseReference' is present</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The type of the referenced object, which in this case is always Universe</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//c:Universe/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Universe which is used when referencing it with //s:StudyUnit/r:UniverseReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Universe which is used when referencing it with //s:StudyUnit/r:UniverseReference.
			    Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Universe which is used when referencing it with //s:StudyUnit/r:UniverseReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Universe which is used when referencing it with //s:StudyUnit/r:UniverseReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//c:Universe/r:Description/r:Content" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: First option for the description of population or other elements studied or measured (freetext).
			    Use this only with //s:StudyUnit/r:UniverseReference.</r:Content>
            <r:Content>CDC_UI_Label: Universe</r:Content>
            <r:Content>CMM_Mapping: 1.3.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/r:Description/r:Content/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '../c:Universe/r:Description/r:Content' element is present.</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Universe item. ISO 639-1 codes are strongly
                encouraged to be used. Use this only with //s:StudyUnit/r:UniverseReference.</r:Content>
            <r:Content>CDC_UI_Label: None</r:Content>
            <r:Content>CMM_Mapping: 1.3.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/r:Label/r:Content" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Second option for the description of population or other elements studied or measured (freetext).
                Use this only with //s:StudyUnit/r:UniverseReference.</r:Content>
            <r:Content>CDC_UI_Label: Universe</r:Content>
            <r:Content>CMM_Mapping: 1.3.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/r:Label/r:Content/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '../c:Universe/r:Label/r:Content' element is present.</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Universe item. ISO 639-1 codes are strongly encouraged to be used.
                Use this only with //s:StudyUnit/r:UniverseReference.</r:Content>
            <r:Content>CDC_UI_Label: None</r:Content>
            <r:Content>CMM_Mapping: 1.3.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//c:Universe/@isInclusive" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The default value is "true" in DDI-L. The description statement of a
                universe is generally stated in inclusive terms such as "All persons residing in Europe".
                Occasionally a universe is defined by what it excludes, i.e., "All persons residing
                in Europe except for those residing on U.S. Military bases".
                In this case the value would be changed to "false".
                In DDI-C, attribute clusion states the inclusion/exclusion with values "I" and "E" respectively.
				Use this only with //s:StudyUnit/r:UniverseReference.</r:Content>
            <r:Content>CDC_UI_Label: Universe</r:Content>
            <r:Content>CMM_Mapping: 1.3.4.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--KIND OF DATA-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//s:StudyUnit/r:KindOfData" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: A free text field describing shortly the type or kind of the dataset.
                Using a vocabulary is recommended.</r:Content>
            <r:Content>CDC_UI_Label: Kind of data</r:Content>
            <r:Content>CMM_Mapping: 1.2.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--TIME DIMENSION-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//d:Methodology/d:TimeMethod/d:TypeOfTimeMethod"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Code value of the CV "DDI Time Method". Describes the time dimension
                of the data collection.</r:Content>
            <r:Content>CMM_Mapping: 1.3.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:TimeMethod/d:TypeOfTimeMethod/@codeListName"
        defaultValue="DDI Time Method" fixedValue="true" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Use the string "DDI Time Method" regardless of language.</r:Content>
         <r:Content>CMM_Mapping: 1.3.1.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:TimeMethod/d:TypeOfTimeMethod/@codeListURN"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The Canonical URL of the CV version that is being used e.g.
                https://vocabularies.cessda.eu/v2/vocabularies/TimeMethod/1.2.3?languageVersion=en-1.2.3 .</r:Content>
         <r:Content>CMM_Mapping: 1.3.1.5</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:TimeMethod/r:Description/r:Content"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Descriptive term of Time Method CV item in the local language.</r:Content>
            <r:Content>CDC_UI_Label: Time dimension</r:Content>
         <r:Content>CMM_Mapping: 1.3.1.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:TimeMethod/r:Description/r:Content/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '.../d:TimeMethod/r:Description/r:Content' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Time Dimension descriptive term. ISO 639-1 codes are
                strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.3.1.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--SAMPLING METHOD / PROCEDURE-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//d:Methodology/d:SamplingProcedure/d:TypeOfSamplingProcedure"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Type of sampling procedure used for data collection. Controlled
                vocabulary includes a typology of sampling methods. Code value of the CV "DDI
                Sampling Procedure".</r:Content>
         <r:Content>CMM_Mapping: 1.3.6.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:SamplingProcedure/d:TypeOfSamplingProcedure/@codeListName"
        defaultValue="DDI Sampling Procedure" fixedValue="true" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Use the string "DDI Sampling Procedure" regardless of
                language.</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.2.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:SamplingProcedure/d:TypeOfSamplingProcedure/@codeListURN"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The Canonical URL of the CV version that is being used e.g.
                https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/2.0.1?languageVersion=en-2.0.1 .</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.2.5</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:SamplingProcedure/r:Description/r:Content"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Descriptive term of the Sampling Procedure CV
                item in the local language.</r:Content>
            <r:Content>CDC_UI_Label: Sampling procedure</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.2.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:Methodology/d:SamplingProcedure/r:Description/r:Content/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '.../d:SamplingProcedure/r:Description/r:Content' element is
                present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Sampling Procedure Descriptive term. ISO 639-1 codes
                are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.2.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--DATA COLLECTION DATE(S)-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:DataCollectionDate/r:StartDate"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended </r:Content>
            <r:Content>ElementType: Element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Either a single point in time or start of a date range. Ideally
                YYYY-MM-DDThh:mm:ssZ format, but can accept YYYY-MM-DD, YYYY-MM or YYYY.</r:Content>
            <r:Content>CDC_UI_Label: Data collection period</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:DataCollectionDate/r:EndDate"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended </r:Content>
            <r:Content>ElementType: Element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: End of a date range. If data collection period is a single event, then
                this element is not required. Ideally YYYY-MM-DDThh:mm:ssZ format, but can accept
                YYYY-MM-DD, YYYY-MM or YYYY.</r:Content>
            <r:Content>CDC_UI_Label: Data collection period</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:DataCollectionDate/r:SimpleDate"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended </r:Content>
            <r:Content>ElementType: Element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Use if data collection period is a single event.
                Ideally YYYY-MM-DDThh:mm:ssZ format, but can accept
                YYYY-MM-DD, YYYY-MM or YYYY.</r:Content>
            <r:Content>CDC_UI_Label: Data collection period</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:CollectionSituation/r:Description/r:Content"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Optional </r:Content>
            <r:Content>ElementType: Element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: This is the free text expression of the collection period. This
                element may be empty.</r:Content>
            <r:Content>CDC_UI_Label: Data collection period</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:CollectionSituation/r:Description/r:Content/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '...Content' element is populated with a freetext expression.</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the free text expression of the collection period.
                ISO 639-1 codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
       </pr:Used>
    <!--****************************************************************************************-->
    <!--DATA COLLECTION METHOD-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:ModeOfCollection/d:TypeOfModeOfCollection"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Description of the method of data collection - the procedure,
                technique, or mode of inquiry used to attain the data. Code value of the CV "DDI
                Mode of Data Collection".</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:ModeOfCollection/d:TypeOfModeOfCollection/@codeListName"
        defaultValue="DDI Mode of Collection" fixedValue="true" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Use the string "DDI Mode of Collection" regardless of
                language.</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.4.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:ModeOfCollection/d:TypeOfModeOfCollection/@codeListURN"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The Canonical URL of the CV version that is being used e.g.
                https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/5.0.0?languageVersion=en-5.0.0 .</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.4.5</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:ModeOfCollection/r:Description/r:Content"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Descriptive term of the Mode of Data Collection CV item in the local language.</r:Content>
            <r:Content>CDC_UI_Label: Data collection mode</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.4.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//d:DataCollection/d:CollectionEvent/d:ModeOfCollection/r:Description/r:Content/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '.../d:ModeOfCollection/r:Description/r:Content' element is
                present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Mode of Data Collection descriptive term. ISO 639-1
                codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.3.6.4.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--ACCESS CATEGORY - OPEN OR RESTRICTED-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//a:Archive/a:ArchiveSpecific/a:Item/a:Access/a:AccessTypeName/r:String" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Controlled description of the data access (open access vs. restricted access).
                CDC will use the COAR Access Rights vocabulary https://vocabularies.coar-repositories.org/access_rights/.
                Only the codes "restricted access" and "open access" will be used.</r:Content>
            <r:Content>CDC_UI_Label: Data access</r:Content>
            <r:Content>CMM_Mapping: 1.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Archive/a:ArchiveSpecific/a:Item/a:Access/a:AccessTypeName/@context"
        defaultValue="COAR Access Right Vocabulary" fixedValue="false" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: When the AccessTypeName element is used for vocabulary
                  'COAR Access Right Vocabulary', then use this vocabulary name
                  'COAR Access Right Vocabulary' in this field.</r:Content>
            <r:Content>CMM_Mapping: 1.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
      <!--****************************************************************************************-->
    <!--ACCESS STATEMENT-->
    <!--****************************************************************************************-->
    <pr:Used
        xpath="//a:Archive/a:ArchiveSpecific/a:Item/a:Access/r:Description/r:Content"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: Refers to any information relating to the access and use conditions of
                data that the SP wants to appear in the CDC.</r:Content>
            <r:Content>CDC_UI_Label: Terms of data access</r:Content>
         <r:Content>CMM_Mapping: 1.4.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used
        xpath="//a:Archive/a:ArchiveSpecific/a:Item/a:Access/r:Description/r:Content/@xml:lang"
        isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '..a:Access/r:Description/r:Content' element is
                present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Access statement. ISO 639-1 codes are strongly
                encouraged to be used.</r:Content>
         <r:Content>CMM_Mapping: 1.4.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content>
                <![CDATA[
                <Constraints>
                    <MandatoryNodeIfParentPresentConstraint/>
                </Constraints>
                ]]>
            </r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--INDIVIDUAL(S)-->
    <!--****************************************************************************************-->
	<pr:Used xpath="//a:Individual" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The repeatable parent element for the Individual information.</r:Content>
            <r:Content>CMM_Mapping: 2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Individual which is used when referencing this individual e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Individual which is used when referencing this individual e.g. CreatorReference.
			    Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Individual which is used when referencing this individual e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
   <pr:Used xpath="//a:Individual/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Individual which is used when referencing this individual e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/a:IndividualIdentification/a:IndividualName/a:FullName/r:String" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The full name of the Individual</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//a:Individual/a:IndividualIdentification/a:ResearcherID" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The repeatable parent element for the Individual PID.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/a:IndividualIdentification/a:ResearcherID/a:TypeOfID" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The type of the PID. If the PID is documented, the type of the PID
			    should be documented, too.</r:Content>
            <r:Content>CMM_Mapping: 2.4.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/a:IndividualIdentification/a:ResearcherID/a:ResearcherIdentification" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The persistent identifier (PID) of the Individual</r:Content>
            <r:Content>CMM_Mapping: 2.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Individual/a:IndividualIdentification/a:ResearcherID/r:URI" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The URL of the PID.</r:Content>
            <r:Content>CMM_Mapping: 2.4.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<!--****************************************************************************************-->
    <!--ORGANIZATION(S)-->
    <!--****************************************************************************************-->
	<pr:Used xpath="//a:Organization" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The repeatable parent element for the Organization information.</r:Content>
            <r:Content>CMM_Mapping: 3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	 <pr:Used xpath="//a:Organization/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Organization which is used when referencing this Organization e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
   <pr:Used xpath="//a:Organization/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Organization which is used when referencing this Organization e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
   <pr:Used xpath="//a:Organization/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Organization which is used when referencing this Organization e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
   <pr:Used xpath="//a:Organization/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Organization which is used when referencing this Organization e.g. CreatorReference.
                Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//a:Organization/a:OrganizationIdentification/a:OrganizationName/r:String" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The name of the Organization</r:Content>
            <r:Content>CMM_Mapping: 3.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Organization/r:UserID" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The URL of persistent identifier (PID) of the organization</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Organization/r:UserID/@typeOfUserID" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '//a:Organization/r:UserID' element is present.</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The type of the PID. Please note, that the this attribute is mandatory for the
			    UserID element due to the DDI-L specification.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<!--****************************************************************************************-->
    <!--AFFILIATION - RELATION(S) BETWEEN INDIVIDUAL(S) AND ORGANIZATION(S)-->
    <!--****************************************************************************************-->
    <pr:Used xpath="//a:Relation" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: Yes</r:Content>
            <r:Content>Usage: The repeatable parent element for the Relation information.</r:Content>
            <r:Content>CMM_Mapping: 2.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Relation. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Relation. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Relation. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Identifier of the Relation. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//a:Relation/a:SourceObject" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ' //a:Relation' is present</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The parent element for the SourceObject information.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
                <MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="//a:Relation/a:SourceObject/a:IndividualReference/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Individual. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:SourceObject/a:IndividualReference/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Individual. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:SourceObject/a:IndividualReference/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Individual. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:SourceObject/a:IndividualReference/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Individual. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:SourceObject/a:IndividualReference/r:TypeOfObject" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ' //a:SourceObject/a:IndividualReference' is present</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The type of the referenced object, which in this case is always Individual</r:Content>
            <r:Content>CMM_Mapping: 2.3.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ' //a:Relation' is present</r:Content>
            <r:Content>ElementType: Container element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The parent element for the TargetObject information.</r:Content>
            <r:Content>CMM_Mapping: None</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
                <MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject/a:OrganizationReference/r:URN" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Organization. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject/a:OrganizationReference/r:Agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Organization. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject/a:OrganizationReference/r:ID" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Organization. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject/a:OrganizationReference/r:Version" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Reference information of the Organization. Either DDI URN or triple Agency, ID, Version (or both) need to be provided.</r:Content>
            <r:Content>CMM_Mapping: 2.3.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject/a:OrganizationReference/r:TypeOfObject" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ' //a:SourceObject/a:IndividualReference' is present</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The type of the referenced object, which in this case is always Organization</r:Content>
            <r:Content>CMM_Mapping: 2.3.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="//a:Relation/a:TargetObject/a:Role/r:Description/r:Content" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if ' //a:Relation/a:TargetObject/a:Role/r:Description' is present</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: The role of the TargetObject (Organization), which in this case should always be set as 'Affiliation'</r:Content>
            <r:Content>CMM_Mapping: 2.3.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<MandatoryNodeIfParentPresentConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
</pr:DDIProfile>
