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

Appendix F - Format Changes


MARC 21 Authority
November 2016

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. 23, November 2016
This page documents the changes contained in the twenty-third update to the 1999 edition of the MARC 21 Format for Authority Data. Update No. 23 (November 2016) includes changes resulting from proposals that were considered by the MARC 21 community during June 2016.

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

New content designators:
Fields
Leader/18Punctuation policy
075Type of Entity (R)
147Heading-Named Event (NR)
447See From Tracing-Named Event (R)
547See Also From Tracing-Named Event (R)
677Definition (R)
747Established Heading Linking Entry-Named Event (R)
885Matching Information (R)

Subfields
$0 Authority record control number or standard number (R) in 377 (Associated
         Language)
Codes
Code # - No information provided in Leader/18 (Punctuation policy)
Code c - Punctuation omitted in Leader/18 (Punctuation policy)
Code i - Punctuation included in Leader/18 (Punctuation policy)
Code u - Unknown in Leader/18 (Punctuation policy)
Code u - General linking, type unspecified in $8 (Field link and sequence number)
                           in Appendix A (Control Subfields)

Changes in content designator names and definitions:
Subfields
$0 Authority record control number or standard number redescribed in
         Appendix A (Control Subfields)

Editorial modifications:

Examples revised in 382 (Medium of Performance)


UPDATE 23 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 23 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
(11/17/2016)
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