On 4 December 2025, OCLC installed changes to WorldCat Validation. See the WorldCat Validation Release Notes, December 2025 at oc.lc/validation-release-notes for full details.
This validation installation included the following new features and enhancements:
- OCLC-MARC Validations of New MARC Codes Announced 24 July 2025-25 September 2025
- Authority record changes:
- Field 046 subfield $3
- Fields 335, 336, 348, 387, and 388
- LC/NACO Authority records:
- Field 024, subfields $c, $d, $q, and $z
- Field 375
- Fields 385 and 386, subfields $m and $n
- Field 670
- Canadiana Authority records:
The following bug fixes were also included:
- In Authority records, in field 083, subfields $a and $b are no longer required to contain at least 3 characters when subfield $z is present
- In Bibliographic and Authority formats, field 387 subfield $k may now include any text string
- In Bibliographic format, in fields 610 and 710, subfield $s may be present even when subfield $t is not
- In Bibliographic, Holdings, and Authority formats, field 857 subfield $y may now include any text string
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.
Kate
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Kate James (she/her/hers)
OCLC · Program Coordinator- Metadata Engagement, Global Product Management
6565 Kilgour Place, Dublin, Ohio, 43017 United States
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