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).
UPDATE 33 CHANGES
■ 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)