Format Changes - Update No. 30, May 2020 (Appendix G: Format Change Lists)
The following documents the changes contained in the thirtieth update to the 1999 edition of MARC 21 Format for Bibliographic Data. Update No. 30 (May 2020) includes changes resulting from proposals that were considered by the MARC 21 community since the publication of Update No. 29 (November 2019).
New content designator:
Indicator value
883 Metadata Provenance - 1st indicator (Method of assignment): value 2 (Not machine-generated)
Subfield codes
$0 Authority record control number or standard number (NR) in 310 (Current Publication Frequency)
$0 Authority record control number or standard number (NR) in 321 (Former Publication Frequency)
$1 Real World Object URI (R) in 310 (Current Publication Frequency)
$1 Real World Object URI (R) in 321 (Former Publication Frequency)
$2 Source (NR) in 310 (Current Publication Frequency)
$2 Source (NR) in 321 (Former Publication Frequency)
Changes in content designator names and definitions:
Fields
310 Current Publication Frequency changed to repeatable
883 Machine-generated Metadata Provenance renamed Metadata Provenance
Indicator
883 Metadata Provenance - 1st indicator: Method of machine assignment renamed Method of assignment
Subfield codes
$a Generation process renamed Creation process in 883 (Metadata Provenance)
$d Generation date renamed Creation date in 883 (Metadata Provenance)
$q Generation agency renamed Assigning or generating agency in 883 (Metadata Provenance)
See also: