The following documents the changes contained in the fifth update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 5 (October 2004) includes changes resulting from proposals that were considered by the MARC 21 community during 2004.

New content designator:


031  Musical Incipits Information

Changes in content designator names:


055  National Library of Canada Library and Archives Canada Call Number

Indicator value

1st indicator (National bibliographic agency) in 016 (National Bibliographic Agency Control Number):  Value # (National Library of Canada Library and Archives Canada)

See also:

Appendix F:  Format Change Lists