The following documents the changes contained in the third update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 3 (October 2002) includes changes resulting from proposals which were considered by the ALA ALCTS/LITA/RUSA Machine-Readable Bibliographic Information Committee (MARBI) at its meetings in 2002 and by the Canadian Committee on MARC (CCM) at its meetings in 2002.

New content designators:


065  Other Classification Number

148  Heading - Chronological Term

448  See From Tracing - Chronological Term

548  See Also From Tracing - Chronological Term

748  Established Heading Linking Entry - Chronological Term

Indicator value

052  Geographic Classification - 1st indicator (Code source):  value 1 (U.S. Department of Defense Classification)

Subfield codes

$u  Uniform Resource Identifier in 670 (Source Data Found)

$w/1  Replacement complexity in 7XX (Heading Linking Entry Fields)


Leader - character position 05 (Record status):  code o (Obsolete)

Obsolete content designator:

Indicator value

052  Geographic Classification - 1st indicator (Code source):  value 0 (U.S. Department of Defense Classification)

See also:

Appendix F:  Format Change Lists