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Appendix F - Format Changes


MARC 21 Authority
June 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. 32, June 2021
This page documents the changes contained in the thirty-second update to the 1999 edition of the MARC 21 Format for Authority Data. Update No. 32 (June 2021) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 31 (December 2020).

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

New content designators:
Subfields
$x Nonpublic note (R) in 046 (Special Coded Dates)
$z Public note (R) in 046 (Special Coded Dates)
$0 Authority record control number or standard number (NR) in 022 (International Standard Serial Number)
$1 Real World Object URI (R) in 022 (International Standard Serial Number)
$3 Materials specified (NR) in 046 (Special Coded Dates)

Changes in content designator names and definitions:
Subfields
$2 Edition number renamed Edition information and redescribed in 082 (Dewey Decimal Classification Number)
$2 Edition number renamed Edition information and redescribed in 083 (Additional Dewey Decimal Classification Number)


UPDATE 32 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 32 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
(06/03/2021)
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