The following documents the changes contained in the twenty-second update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 22 (April 2016) includes changes resulting from proposals that were considered by the MARC 21 community during January 2016.

New content designators:

Subfield codes

$r  Total number of individuals performing alongside ensembles (NR) in 382 (Medium of Performance)

$t  Total number of ensembles (NR) in 382 (Medium of Performance)

Changes in content designator names and definitions:

Subfield code

$e  Number of ensembles renamed Number of ensembles of the same type in 382 (Medium of Performance)

See also:

Appendix F:  Format Change Lists