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Appendix E - Format Changes


MARC 21 Classification
December 2017

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. 25, December 2017
This page documents the changes contained in the twenty-fifth update to the 1999 edition of the MARC 21 Format for Classification Data. Update No. 25 (December 2017) includes changes resulting from proposals that were considered by the MARC 21 community during June 2017.

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

New content designators:
Subfields
$1Real World Object URI (R) in the following fields:
         034 (Coded Cartographic Mathematical Data),
         043 (Geographic Area Code),
         700 (Index Term-Personal Name),
         710 (Index Term-Corporate Name),
         711 (Index Term-Meeting Name),
         730 (Index Term-Uniform Title),
         748 (Index Term-Chronological),
         750 (Index Term-Topical),
         751 (Index Term-Geographic Name),
         754 (Index Term-Faceted Topical Terms),
         883 (Machine-generated Metadata Provenance),
         Appendix A (Control Subfields).


UPDATE 25 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 25 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.


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