Appendix F - Format Changes
MARC 21 Holdings
This section is provided for the lists of format changes
that accompany each update to the MARC 21 Format for
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).
■ New content designators:
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.
561Ownership and Custodial History (R) from
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.