<?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
Created: 2023-06-10
Version: v2.1.0
Change summary from v2.0.0: See 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_DDI26_PROFILE</r:ID>
    <r:Version>2.1.0</r:Version>
    <r:VersionResponsibility>Katja Moilanen - FSD</r:VersionResponsibility>
    <pr:DDIProfileName>
        <r:String>CESSDA DATA CATALOGUE (CDC) DDI2.6 PROFILE</r:String>
    </pr:DDIProfileName>
    <pr:XPathVersion>1.0</pr:XPathVersion>
    <pr:DDINamespace>2.6</pr:DDINamespace>
    <pr:XMLPrefixMap>
        <pr:XMLPrefix>ddi</pr:XMLPrefix>
        <pr:XMLNamespace>ddi:codebook:2_6</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:codeBook/@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:codeBook/@xsi:schemaLocation" defaultValue="ddi:codebook:2_6 http://www.ddialliance.org/Specification/DDI-Codebook/2.6/XMLSchema/codebook.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:codebook:2_6
                http://www.ddialliance.org/Specification/DDI-Codebook/2.6/XMLSchema/codebook.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>
    <!--****************************************************************************************-->
    <!--TITLE AND IDENTIFIERS-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:docDscr/ddi:citation/ddi:titlStmt/ddi:titl" 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:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:titl</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:codeBook/ddi:docDscr/ddi:citation/ddi:titlStmt/ddi:titl/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'titl' 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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:titl" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Content element</r:Content>
            <r:Content>ElementRepeatable: No</r:Content>
            <r:Content>Usage: Title of the Study. If additional titles are required in other
                languages, use the parTitl element</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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:titl/@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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:parTitl" 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: Title of the Study in additional languages other than the 'titl'
                element. It is preferable to include this element to hold an English version of the
                title if the 'titl' element is not in English.</r:Content>
            <r:Content>CDC_UI_Label: Study title</r:Content>
            <r:Content>CMM_Mapping: 1.1.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:parTitl/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'parTitl' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the translated 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:Instructions>
            <r:Content><![CDATA[
            <Constraints>
                <MandatoryNodeIfParentPresentConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:IDNo" 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 content of this element serves two purposes. It is used both for
                the PID and for the study/archival number given by the SP. These two cases have
                different specifications. IDNo in the sense of study number is optional. PID is
                mandatory</r:Content>
            <r:Content>CDC_UI_Label: Study number / PID</r:Content>
            <r:Content>CMM_Mapping: 1.1.10.4/1.1.2</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:IDNo/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language is recommended when the agency attribute contains an
                organisation name, for example, in the context of 'IDNo' being used to display the
                internal study number</r:Content>
            <r:Content>CMM_Mapping: 3.2.1/3.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:IDNo/@agency" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Agency responsible for the identifier of the study. If you are using
                IDNo for a Persistent Identifer, value should be one of
                https://vocabularies.cessda.eu/vocabulary/CessdaPersistentIdentifierTypes i.e. ARK
                or DOI or Handle or URN </r:Content>
            <r:Content>CDC_UI_Label: Study number / PID</r:Content>
            <r:Content>CMM_Mapping: 1.1.10.4.1/1.1.2.1</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:holdings/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the study description page at the SP website (there can be
                multiple 'holding' elements for study description pages in different languages. ISO
                639-1 codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 1.1.10.5.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:holdings/@URI" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: This is the document the metadata refers to, i.e. the URL of the study
                description page at the SP website.</r:Content>
            <r:Content>CDC_UI_Label: Access study</r:Content>
            <r:Content>CMM_Mapping: 1.1.10.5</r:Content>
        </r:Description>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--PRINCIPAL INVESTIGATOR / CREATOR-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty" 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: 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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Organisation name, which may be the contents of the
                AuthEnty element or the affiliation attribute if AuthEnty specifies a person. ISO
                639-1 codes codes are strongly encouraged to be used.</r:Content>
            <r:Content>CMM_Mapping: 3.2.1/3.3.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@affiliation" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: If AuthEnty is a person, the organisational affiliation of that
                person</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>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@personalID" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: The persistent identifier (PID) of the principal investigator/creator</r:Content>
            <r:Content>CDC_UI_Label: Creator</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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@typeOfPersonalID" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</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>CDC_UI_Label: Creator</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>
	<!--****************************************************************************************-->
    <!--FUNDING INFORMATION-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo" 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 "agency" attribute.
                If different funding agencies sponsored different stages of the production process,
                use the "role" attribute 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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo/@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 agency which provided the funding. ISO 639-1 codes
			    are strongly encouraged to be used. </r:Content>
            <r:Content>CMM_Mapping: 3.2.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
            <Constraints>
                <RecommendedNodeConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo/@agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'grantNo' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: 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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo/@role" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: If different funding agencies sponsored different stages of the production process,
                use the "role" attribute 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>
    <!--****************************************************************************************-->
    <!--PUBLISHER-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distrbtr" 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 element should contain the name of the organisation who has
                published the metadata for the harvested study description. This is usually the
                SP.</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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distrbtr/@xml:lang" isRequired="true">
        <r:Description>
            <r:Content>Required: Mandatory</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the organisation name. ISO codes are strongly encouraged
                to be used.</r:Content>
            <r:Content>CMM_Mapping: 3.2.1/3.3.1</r:Content>
        </r:Description>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distrbtr/@abbr" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Abbreviated form of the Publisher name e.g. 'UKDA' for 'UK Data
                Archive'</r:Content>
            <r:Content>CMM_Mapping: 3.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--DATE OF PUBLICATION-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate" 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 freetext date when the study description was published. This
                element may be left empty.</r:Content>
            <r:Content>CDC_UI_Label: Publication year</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:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the free text expression of the study description publication time.
                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>
	    	    <OptionalNodeConstraint/>
    	    </Constraints>
		    ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate/@date" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'distDate' element is present</r:Content>
            <r:Content>ElementType: Attribute</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 (data embargo end date), CDC will try to read
				the publication date for CDC from ddi:codeBook/ddi:docDscr/ddi:citation/ddi:distStmt/ddi:distDate/@date
				(metadata publication 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>
                <MandatoryNodeIfParentPresentConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:docDscr/ddi:citation/ddi:distStmt/ddi:distDate/@date" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: This field is used in CDC only if the date in the field
                ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate/@date 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>
	<!--****************************************************************************************-->
    <!--SERIES INFORMATION-->
    <!--****************************************************************************************-->
	<pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/@URI" isRequired="false">
		<r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the whole serStmt OR the URI to the series description page
                in the SPs web page. 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>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
	<pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serName" 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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serName/@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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serInfo" 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="/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serInfo/@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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi: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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword/@vocab" defaultValue="ELSST" fixedValue="false" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended if '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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword/@vocabURI" 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: 1.2.3.4</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas" 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'topcClas' 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas/@vocab" 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: 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas/@vocabURI" 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>
    <!--****************************************************************************************-->
    <!--ABSTRACT-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:abstract" 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:abstract/@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>
    <!--****************************************************************************************-->
    <!--DATA COLLECTION DATE(S)-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate" 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: 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>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
   <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</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>
	    	    <OptionalNodeConstraint/>
		    </Constraints>
		    ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate/@event" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if parent is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Either 'start', 'end' or 'single' to indicate the type of date
                Attribute</r:Content>
            <r:Content>CDC_UI_Label: Data collection period</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.1/1.3.7.2/1.3.7.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
            <Constraints>
                <MandatoryNodeIfParentPresentConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate/@date" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended strongly if 'collDate' element is present.</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Ideally YYYY-MM-DDThh:mm:ssZ format, but can accept YYYY-MM-DD,
                YYYY-MM or YYYY as date attribute. If there are multiple end dates, use the
                last.</r:Content>
            <r:Content>CDC_UI_Label: Data collection period</r:Content>
            <r:Content>CMM_Mapping: 1.3.7.1/1.3.7.2/1.3.7.3</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <!--****************************************************************************************-->
    <!--COUNTRY COVERAGE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:nation" 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:nation/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'nation' 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:nation/@abbr" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Use this attribute only if the country in the 'nation' element 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit" 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 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'anlyUnit' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Analysis Unit CV item. 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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/ddi:concept" 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>Analysis Unit Controlled Vocabulary "Code value" that is the same across
                languages. e.g if the "anlyUnit" element is 'Kotitalous' for Finnish, the "concept"
                element is 'Household'. See example at
                https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:AnalysisUnit.</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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/ddi:concept/@vocab" 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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/ddi:concept/@vocabURI" 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>
    <!--****************************************************************************************-->
    <!--UNIVERSE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:universe" 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 population or other elements studied or measured (freetext).</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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:universe/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</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.</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>
                <RecommendedNodeConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:universe/@clusion" 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.</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="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:dataKind" 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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:dataKind/@xml:lang" isRequired="false">
       <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the data kind. 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>
    <!--****************************************************************************************-->
    <!--TIME DIMENSION-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth" 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 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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'timeMeth' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Time Method CV item. 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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/ddi:concept" 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: Time Method Controlled Vocabulary "Code value" that is the same across
                languages. e.g if the 'timeMeth' element is 'Pitkittäisaineisto' for Finnish, the
                'concept' element is 'Longitudinal'. See example at
                https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:TimeMethod</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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/ddi:concept/@vocab" 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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/ddi:concept/@vocabURI" 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>
    <!--****************************************************************************************-->
    <!--SAMPLING METHOD / PROCEDURE-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc" 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: Contains the Sampling Procedure CV item in the local language and/or a
                freetext description 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>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'sampProc' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Sampling Procedure CV item or freetext description.
                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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/ddi:concept" 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: Sampling Procedure Controlled Vocabulary "Code value" that is the same
                across languages. e.g if the 'sampProc' element is 'Todennäköisyysotanta' for
                Finnish, the 'concept' element is 'Probability'. See example at
                https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:SamplingProcedure </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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/ddi:concept/@vocab" 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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/ddi:concept/@vocabURI" 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>
    <!--****************************************************************************************-->
    <!--DATA COLLECTION METHOD-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode" 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 Mode of 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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'collMode' element is present</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the Mode of Collection CV item. 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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/ddi:concept" 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: Mode of Collection Controlled Vocabulary "Code value" that is the same
                across languages. e.g if the 'collMode' element is 'Haastattelu' for Finnish, the
                'concept' element is 'Interview'. See example at
                https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:ModeOfCollection </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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/ddi:concept/@vocab" 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="/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/ddi:concept/@vocabURI" 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>
    <!--****************************************************************************************-->
    <!--ACCESS STATEMENT-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:useStmt/ddi:restrctn" 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 send. SPs need to concatenate the information for
                'restrctn' the way they want it to appear in the CDC, if they use data from
                different elements e.g.specPerm, restrctn, avlStatus etc. </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="/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:useStmt/ddi:restrctn/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if 'restrctn' 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>
    <!--****************************************************************************************-->
    <!--ACCESS CATEGORY - OPEN OR RESTRICTED-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:typeOfAccess" 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="/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:typeOfAccess/@vocab" 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 typeOfAccess 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>
    <!--****************************************************************************************-->
    <!--FILE DESCRIPTIONS-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:fileDscr/ddi:fileTxt/ddi:fileName" 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: Language-specific name of file </r:Content>
            <r:Content>CMM_Mapping: 4.2.2</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<RecommendedNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:fileDscr/ddi:fileTxt/ddi:fileName/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language(s) of data files. The only information necessary for CDC is
                the language of the files, as this is needed for the filter. The values or content
                of 'fileName' are not extracted. ISO 639-1 codes are strongly encouraged to be used. </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>
    <!--****************************************************************************************-->
    <!--RELATED PUBLICATIONS-->
    <!--****************************************************************************************-->
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl" 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: First option for bibliographic citation of the related publication.</r:Content>
            <r:Content>CDC_UI_Label: Related publications</r:Content>
            <r:Content>CMM_Mapping: 9.11</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the related publication. This not always the same as the metadata language
                and therefore this is useful for monolingual profile, too. ISO 639-1 codes are strongly encouraged
                to be used.</r:Content>
            <r:Content>CMM_Mapping: 9.5.1/9.8.1.1</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:titl" 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: Second option for bibliographic citation of the related publication.</r:Content>
            <r:Content>CDC_UI_Label: Related publications</r:Content>
            <r:Content>CMM_Mapping: 9.11</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:titl/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the related publication title. 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="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:IDNo" 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="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:IDNo/@agency" isRequired="false">
        <r:Description>
            <r:Content>Required: Mandatory if '..../IDNo' element is present.</r:Content>
            <r:Content>ElementType: Attribute</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>
                <MandatoryNodeIfParentPresentConstraint/>
            </Constraints>
            ]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:biblCit" 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: Third option for bibliographic citation of the related publication.</r:Content>
            <r:Content>CDC_UI_Label: Related publications</r:Content>
            <r:Content>CMM_Mapping: 9.11</r:Content>
        </r:Description>
        <pr:Instructions>
            <r:Content><![CDATA[
			<Constraints>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:biblCit/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the related publication title. 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="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:distStmt/ddi:distDate/@date" isRequired="false">
        <r:Description>
            <r:Content>Required: Recommended</r:Content>
            <r:Content>ElementType: Attribute</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="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:holdings/@URI" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</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>CDC_UI_Label: Related publications</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>
    <pr:Used xpath="/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:holdings/@xml:lang" isRequired="false">
        <r:Description>
            <r:Content>Required: Optional</r:Content>
            <r:Content>ElementType: Attribute</r:Content>
            <r:Content>Usage: Language of the publication website. 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>
				<OptionalNodeConstraint/>
			</Constraints>
			]]></r:Content>
        </pr:Instructions>
    </pr:Used>
</pr:DDIProfile>
