This document supersedes the most recent editions of the USMARC Format for Community Information.

USMARC Documentation:

MARC 21 supersedes the 1993 edition of USMARC Format for Community Information: Including Guidelines for Content Designation and update No. 1 (April 1996) to that edition.  The 1993 edition superseded the 1992 provisional format approved in January 1992 by the MARC Advisory Group.

See also:

Community Information Format:  Introduction