Appendix G - Format Changes
MARC 21 Bibliographic
June 2023
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. 36, June 2023
This page documents the changes contained in the thirty-sixth
update to the 1999 edition of the MARC 21 Format for
Bibliographic Data. Update No. 36 (June 2023)
includes changes resulting from proposals that were
considered by the MARC 21 community since the publication of Update No. 35 (December 2022).
UPDATE 36 CHANGES
■ New content designators:
Fields
361Structured Ownership and Custodial History (R)
857Electronic Archive Location and Access (R)
Subfields
$0 Authority record control number or standard number (R) in 653 (Index Term -
Uncontrolled)
$0 Authority record control number or standard number (R) in 658 (Index Term -
Curriculum Objective)
$0 Authority record control number or standard number (R) in 720 (Added Entry -
Uncontrolled Name)
$1 Real World Object URI (R) in 653 (Index Term - Uncontrolled)
$1 Real World Object URI (R) in 658 (Index Term - Curriculum Objective)
$1 Real World Object URI (R) in 720 (Added Entry - Uncontrolled Name)
$3 Materials specified (NR) in 041 (Language Code)
$5 Institution to which field applies (NR) in 653 (Index Term - Uncontrolled)
$5 Institution to which field applies (NR) in 720 (Added Entry - Uncontrolled Name)
$7 Data provenance (R) in 720 (Added Entry - Uncontrolled Name)
■ Editorial modifications:
Most of the following fields/appendix do not have technical changes but contain editorial modifications (in red). A full description of editorial changes for each entry can be found in the linked MARC Proposal referenced.
Fields
008/35-37All Materials (NR) from Proposal
2023-02
041 Language Code from Proposal
2023-02
561 Ownership and Custodial History from Proposal
2023-04
Appendix
Appendix JData Provenance Subfields from Proposal
2023-01