The following documents the changes contained in the ninth update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 9 (October 2008) includes changes resulting from proposals that were considered by the MARC 21 community during 2008.

New content designator:

Subfield code

$y  Table sequence number for internal subarrangement or add table in 083 (Dewey Decimal Classification Number)

See also:

Appendix F:  Format Change Lists