The following documents the changes contained in the thirty-second update to the 1999 edition of MARC 21 Format for Authority Data.  Update No. 32 (June 2021) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 31 (December 2020).

New content designators:

Subfield codes

$x  Nonpublic note (R) in 046 (Special Coded Dates)

$z  Public note (R) in 046 (Special Coded Dates)

$0  Authority record control number or standard number (NR) in 022 (International Standard Serial Number)

$1  Real World Object URI (R) in 022 (International Standard Serial Number)

$3  Materials specified (NR) in 046 (Special Coded Dates)

Changes in content designator names and definitions:

Subfield codes

$2  Edition number renamed Edition information and redescribed in 082 (Dewey Decimal Classification Number)

$2  Edition number renamed Edition information and redescribed in 083 (Additional Dewey Decimal Classification Number)

See also:

Appendix F:  Format Change Lists

Appendices