Library of Congress >> MARC >> Bibliographic >> Appendix G

Appendix G - Format Changes


MARC 21 Bibliographic
June 2021

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. 32, June 2021
This page documents the changes contained in the thirty-second update to the 1999 edition of the MARC 21 Format for Bibliographic 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).

Format changes in previous updates can be found on the MARC Format Overview page.

New content designators:
Fields
334Mode of Issuance (R)
353Supplementary Content Characteristics (R)
Indicator
1stType of entity in 046 (Special Coded Dates)
Indicator values
#No information provided in 046 (Special Coded Dates) 1st indicator: Type of entity
1Work in 046 (Special Coded Dates) 1st indicator: Type of entity
2Expression in 046 (Special Coded Dates) 1st indicator: Type of entity
3Manifestation in 046 (Special Coded Dates) 1st indicator: Type of entity
Subfields
$c Form of musical notation term (R) in 348 (Notated Music Characteristics)
$d Form of musical notation code (R) in 348 (Notated Music Characteristics)
$i Sound content (R) in 344 (Sound Characteristics)
$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)
Codes
g - Magazine in Continuing Resources 008/21 (Type of continuing resource) (006/04)
h - Blog in Continuing Resources 008/21 (Type of continuing resource) (006/04)
j - Journal in Continuing Resources 008/21 (Type of continuing resource) (006/04)
r - Repository in Continuing Resources 008/21 (Type of continuing resource) (006/04)
s - Newsletter in Continuing Resources 008/21 (Type of continuing resource) (006/04)
t - Directory in Continuing Resources 008/21 (Type of continuing resource) (006/04)

Changes in content designator names and definitions:
Fields
348Format of Notated Music renamed Notated Music Characteristics
Subfields
$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)
Codes
d - Updating database redescribed in Continuing Resources 008/21 (Type of continuing resource) (006/04)
p - Periodical redescribed in Continuing Resources 008/21 (Type of continuing resource) (006/04)
w - Updating Web site redescribed in Continuing Resources 008/21 (Type of continuing resource) (006/04)

Editorial modifications:

The following fields 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
546Language Note (R) from Proposal 2021-05
852Location (R) from Proposal 2021-01


UPDATE 32 LOCAL PRINT GUIDE

The following sections and fields were created/changed in Update No. 32 and should be printed to keep a print copy of the format up-to-date. Changes appear in red.


Library of Congress >> MARC >> Bibliographic >> Appendix G
(06/03/2021)
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