The following documents the changes contained in the third update to the 2000 edition of MARC 21 Format for Community Information.  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:

Field

648  Subject Added Entry - Chronological Term

Indicator value

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

Subfield codes

$j  Date resource modified in 046 (Special Coded Dates)

$k  Beginning or single date created in 046 (Special Coded Dates)

$l  Ending date created in 046 (Special Coded Dates)

$m  Beginning of date valid in 046 (Special Coded Dates)

$n  End of date valid in 046 (Special Coded Dates)

$2  Source of date in 046 (Special Coded Dates)

$6  Linkage in 046 (Special Coded Dates)

$6  Linkage in 052 (Geographic Classification)

Obsolete content designators:

Indicator value

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

Change in repeatability:

Field

046  Special Coded Dates:  changed from Not repeatable (NR) to Repeatable (R)

See also:

Appendix F:  Format Change Lists

Appendices