Library of Congress >> MARC >> Authority >> Appendix F

Appendix F - Format Changes


MARC 21 Authority
November 2021

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


MARC 21 FORMAT FOR AUTHORITY DATA

FORMAT CHANGE LIST

Update No. 33, November 2021
This page documents the changes contained in the thirty-third update to the 1999 edition of the MARC 21 Format for Authority Data. Update No. 33 (November 2021) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 32 (June 2021).

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

New content designators:
Subfields
$i Relationship information (R) in 672 (Title Related to the Entity)
$4 Relationship (R) in 672 (Title Related to the Entity)

Changes in content designator names and definitions:
Subfield
$g Coordinates - southernmost latitude redescribed in 034 (Coded Cartographic Mathematical Data)


UPDATE 33 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 33 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.


Library of Congress >> MARC >> Authority >> Appendix F
(11/24/2021)
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