The following documents the changes contained in the fourth update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 4 (October 2003) includes changes resulting from proposals which were considered by the ALA ALCTS/LITA/RUSA Machine-Readable Bibliographic Information Committee (MARBI) at its meetings in 2003, the Canadian Committee on MARC (CCM) at its 2003 meetings, and by the Book Industry Communications/Bibliographic Standards Technical Subgroup (BIC/BSTS) at its meetings in 2003.

New content designators:


024  Other Standard Identifier


Appendix G:  Organization Code Sources

See also:

Appendix F:  Format Change Lists