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

Appendix G - Format Changes


MARC 21 Bibliographic
December 2022

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. 35, December 2022
This page documents the changes contained in the thirty-fifth update to the 1999 edition of the MARC 21 Format for Bibliographic Data. Update No. 35 (December 2022) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 34 (July 2022).

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

New content designators:
Indicator values
3Component part(s) of resource in 856 (Electronic Location and Access)
         2nd indicator: Relationship
4Version of component part(s) of resource in 856 (Electronic Location
         and Access) 2nd indicator: Relationship
Subfields
$g Persistent identifier (R) in 856 (Electronic Location and Access)
$h Non-functioning Uniform Resource Identifier (R) in 856 (Electronic Location
           and Access)

Changes in content designator names and definitions:
Indicator
2ndRelationship redescribed in 856 (Electronic Location and Access)
Indicator values
#No information provided redescribed in 856 (Electronic Location and Access) 2nd
         indicator: Relationship
0Resource redescribed in 856 (Electronic Location and Access) 2nd indicator: Relationship
1Version of resource redescribed in 856 (Electronic Location and Access)
         2nd indicator: Relationship
2Related resource redescribed in 856 (Electronic Location and Access)
         2nd indicator: Relationship
Subfields
$qElectronic format type changed to repeatable and redescribed in 856 (Electronic
          Location and Access)
$uUniform Resource Identifier redescribed in 856 (Electronic Location and Access)


UPDATE 35 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 35 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
(12/20/2022)
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