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<p style="margin-bottom:6.0pt">On 26 August 2025, OCLC expects to install changes to WorldCat Validation, including the following new features and enhancements:<o:p></o:p></p>
<p style="margin-bottom:6.0pt"> This validation installation includes the following new features and enhancements:<o:p></o:p></p>
<ul type="disc">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
OCLC-MARC Validations of New MARC Codes Announced <a name="_Hlk191032678">14 February 2025</a>-2 July 2025<o:p></o:p></li><ul type="circle">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
Classification Scheme Source Codes<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
Description Convention Source Codes<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
Genre/Form Code and Term Source Codes<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
MARC Code List for Relators<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
Name and Title Authority Source Codes<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
National Bibliography Number Source Codes<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
Standard Identifier Source Codes<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level2 lfo1">
Subject Heading and Term Source Codes<o:p></o:p></li></ul>
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
MARC 21 Bibliographic Update No. 40 (Announced June 2025)<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
MARC 21 Authority Update No. 40 (Announced June 2025)<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
MARC 21 Holdings Update No. 40 (Announced June 2025)<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
Field 023 is now valid for use in Bibliographic, Holdings, and Authority formats<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
The data provenance category code <i>bcp47</i> is now available in bibliographic and authority data provenance subfields<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
In fields 336, 337, and 338, subfield $2 is no longer required if subfield $0 starts with
<i><a href="http://id.loc.gov/vocabulary/">http://id.loc.gov/vocabulary/</a></i><o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l1 level1 lfo1">
OCLC-MARC field 956 has been revised to better align with field 856<o:p></o:p></li><li class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto;mso-list:l1 level1 lfo1">
<span style="font-size:12.0pt;font-family:"Aptos",sans-serif">LC/NACO Authority File-related elements <o:p></o:p></span></li></ul>
<p class="MsoListParagraphCxSpLast"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal">The following bug fixes will also be included:<o:p></o:p></p>
<ul type="disc">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2">
Subfield $6 is now ignored when determining if duplicate fields are present<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2">
In Authority records, field 075 now requires either subfield $a or $b to be present when subfield $2 is present<o:p></o:p></li><li class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto;mso-list:l0 level1 lfo2">
<span style="font-size:12.0pt;font-family:"Aptos",sans-serif">In Authority records, field 376 now allows subfields $a, $b, $c, or $d to be the sole subfield present<o:p></o:p></span></li></ul>
<p class="MsoListParagraphCxSpLast"><span style="font-size:12.0pt;font-family:"Aptos",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal">These enhancements and fixes are the result of announcements of new MARC elements and codes by the Library of Congress as well as feedback and requests from members of the OCLC community.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">See the <a href="https://help.oclc.org/Metadata_Services/WorldShare_Record_Manager/WorldCat_Validation_release_notes_and_known_issues/2025_release_notes/090WorldCat_Validation_release_notes_August_2025">
<i><span style="color:windowtext">WorldCat Validation Release Notes, August 2025</span></i></a> at
<a href="https://protect-us.mimecast.com/s/hMDrCyPzO9h6XjqYiQDSwY?domain=help.oclc.org">
oc.lc/validation-release-notes</a> for more details on the changes that we plan to install on 26 August 2025.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Kate<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Arial",sans-serif;color:#333F48">Kate James</span><span style="font-family:"Calibri",sans-serif"> </span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333F48">(she/her/hers)</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333F48">OCLC</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333F48"> · Program Coordinator- Metadata Engagement, Global Product Management</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333F48">6565 Kilgour Place, Dublin, Ohio, 43017 United States</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><a href="https://help.oclc.org/WorldCat/Metadata_Quality/AskQC" title=""Find virtual AskQC office hour information, recordings, and supporting materials." t "><span style="font-family:"Calibri",sans-serif;color:blue;text-decoration:none"><img border="0" width="500" height="98" style="width:5.2083in;height:1.0208in" id="Picture_x0020_1" src="cid:image001.png@01DC1666.2AE66610"></span></a><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#2178B5"><a href="https://www.oclc.org/en/home.html"><span style="color:#2178B5">OCLC.org</span></a><b>·
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