Library of Congress >> MARC >> Bibliographic >> Appendix G

Appendix G - Format Changes


MARC 21 Bibliographic
November 2018

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


MARC 21 FORMAT FOR BIBLIOGRAPHIC DATA

FORMAT CHANGE LIST

Update No. 27, November 2018
This page documents the changes contained in the twenty-seventh update to the 1999 edition of the MARC 21 Format for Bibliographic Data. Update No. 27 (November 2018) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 26 (April 2018).

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

New content designators:
Fields
251Version Information (R)
341Accessibility Content (R)
532Accessibility Note (R)

Subfields
$p Language code of captions (R) in 041 (Language Code)
$q Language code of accessible audio (R) in 041 (Language Code)
$r Language code of accessible visual language (non-textual) (R) in 041 (Language
         Code)

Changes in content designator names and definitions:
Subfields
$j Language code of subtitles or captions renamed Language code of subtitles
         and redescribed in
041 (Language Code)
$6 Linkage redescribed in Appendix A (Control Subfields)

UPDATE 27 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 27 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.


Library of Congress >> MARC >> Bibliographic >> Appendix G
(11/09/2018)
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