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Appendix E - Format Changes


MARC 21 Classification
July 2022

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


MARC 21 FORMAT FOR CLASSIFICATION DATA

FORMAT CHANGE LIST

Update No. 34, July 2022
This page documents the changes contained in the thirty-fourth update to the 1999 edition of the MARC 21 Format for Classification Data. Update No. 34 (July 2022) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 33 (November 2021).

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

New content designators:
Subfields
$l Standardized information governing access (R) in 856 (Electronic Locationa and Access)
$nTerms governing access (R) in 856 (Electronic Location and Access)
$rStandardized information governing use and reproduction (R) in 856 (Electronic Location and Access)
$tTerms governing use and reproduction (R) in 856 (Electronic Location and Access)


UPDATE 34 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 34 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.


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