Appendix G - Format Changes
MARC 21 Bibliographic
December 2024
This section is provided for the lists of format changes
that accompany each update to the MARC 21 Format for
Bibliographic Data.
MARC 21 FORMAT FOR BIBLIOGRAPHIC DATA
FORMAT CHANGE LIST
Update No. 39, December 2024
This page documents the changes contained in the thirty-ninth
update to the 1999 edition of the MARC 21 Format for
Bibliographic Data. Update No. 39 (December 2024)
includes changes resulting from proposals that were
considered by the MARC 21 community since the publication of Update No. 38 (June 2024).
UPDATE 39 CHANGES
■ New content designators:
Subfields
$0 Authority record control number or standard number (R) in 506 (Restrictions on Access Note)
$0 Authority record control number or standard number (R) in 540 (Terms Governing Use and Reproduction Note)
$1 Real World Object URI (R) in 506 (Restrictions on Access Note)
$1 Real World Object URI (R) in 540 (Terms Governing Use and Reproduction Note)
■ Changes in content designator
names and definitions:
Fields
$f Use and reproduction rights renamed Standardized terminology for use and reproduction rights in 540 (Terms Governing Use and Reproduction Note)
■ Fast-track changes:
New subfields
$3 Materials specified (NR) in 508 (Creation/Production Credits Note)
$3 Materials specified (NR) in 511 (Participant or Performer Note)