Appendix F - Format Changes

MARC 21 Holdings

December 2017

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

MARC 21 FORMAT FOR HOLDINGS 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 Holdings 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:
         337 (Media Type),
         338 (Carrier Type),
         347 (Digital File Characteristics),
         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.