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Appendix F - Format Changes

MARC 21 Holdings
June 2023

This section is provided for the lists of format changes that accompany each update to the MARC 21 Format for Holdings Data.

MARC 21 FORMAT FOR HOLDINGS DATA

FORMAT CHANGE LIST

Update No. 36, June 2023
This page documents the changes contained in the thirty-sixth update to the 1999 edition of the MARC 21 Format for Holdings Data. Update No. 36 (Jume 2023) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 35 (December 2022).

Format changes in previous updates can be found on the MARC Format Overview page.
■ New content designators:
Fields
361Structured Ownership and Custodial History (R)
857Electronic Archive Location and Access (R)

■ Editorial modifications:

The following field does not have technical changes but contains editorial modifications (in red). A full description of editorial changes for the entry can be found in the linked MARC Proposal referenced.

Field
561Ownership and Custodial History (R) from Proposal 2023-04

UPDATE 36 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 36 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.

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