Appendix F - Format Changes

MARC 21 Authority

September 2015

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

MARC 21 FORMAT FOR AUTHORITY DATA

FORMAT CHANGE LIST

Update No. 21, September 2015

This page documents the changes contained in the twenty-first update to the 1999 edition of the MARC 21 Format for Authority Data. Update No. 21 (September 2015) includes changes resulting from proposals that were considered by the MARC 21 community during June 2015.

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

■ New content designators:

Subfields

$w Bibliographic record control number (R) in 670 (Source Data Found)

$0 Authority record control number or standard number (R) in 336 (Content Type)

Fields

348 Format of Notated Music (R)

UPDATE 21 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 21 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.