Library of Congress >> MARC >> Holdings >> Appendix F

Appendix F - Format Changes


MARC 21 Holdings
April 2018

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. 26, April 2018
This page documents the changes contained in the twenty-sixth update to the 1999 edition of the MARC 21 Format for Holdings Data. Update No. 26 (April 2018) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 25 (December 2017).

Format changes in previous updates can be found on the MARC Format Overview page.

New content designators:
Codes
Code x - Not Applicable in Map 007/04 (Physical Medium)

Changes in content designator names and definitions:
Codes
Code c - Pre-production renamed Photographic pre-production
             and redescribed in
Map 007/06 (Production/reproduction details)


UPDATE 26 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 26 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.

Update 26 changes in 007 Map apply to both Bibliographic and Holdings formats, but were applied only to the documentation for the Bibliographic format, which contains the complete character position names/definitions and the content designators defined for this field:


Library of Congress >> MARC >> Holdings >> Appendix F
(04/27/2018)
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