The following documents the changes contained in the first update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 1 (October 2000) includes changes resulting from proposals which were considered by the ALA ALCTS/LITA/RUSA Machine-Readable Bibliographic Information Committee (MARBI) at its meetings from 1999 through July 2000 and by the Canadian Committee on MARC (CCM) at its meetings from 1999 through July 2000.

New content designators:

Subfield codes

$j  Attribution qualifier in X00 (Personal Names)

$u  Uniform Resource Identifier in 678 (Biographical or Historical Data)

$y  Link text in 856 (Electronic Location and Access)

Code

sanb  South African National Bibliography Project in 042 (Authentication Code)

Obsolete content designators:

Subfield code

$g  Uniform Resource Name in 856 (Electronic Location and Access)

Changes in content designator names:

Field

052  Geographic Classification Code

Subfield code

$u  Uniform Resource Locator Identifier in 856 (Electronic Location and Access)

See also:

Appendix F:  Format Change Lists

Appendices