The following documents the changes contained in the twenty-fifth update to the 2000 edition of the MARC 21 Format for Community Information.  Update No. 25 (December 2017) includes changes resulting from proposals that were considered by the MARC 21 community during June 2017.

New content designator:

Subfield code

$1  Real World Object URI (R) in:

043 (Geographic Area Code)

100 (Primary Name - Personal)

110 (Primary Name- -Corporate)

111 (Primary Name - Meeting)

600 (Subject Added Entry - Personal Name)

610 (Subject Added Entry - Corporate Name)

611 (Subject Added Entry - Meeting Name)

630 (Subject Added Entry - Publication Title)

648 (Subject Added Entry - Chronological Term)

650 (Subject Added Entry - Topical Term)

651 (Subject Added Entry - Geographic Name)

654 (Subject Added Entry - Faceted Topical Terms)

656 (Index Term - Occupation)

657 (Index Term - Function)

700 (Added Entry - Personal Name)

710 (Added Entry - Corporate Name)

711 (Added Entry - Meeting Name)

730 (Added Entry - Publication Title)

883 (Machine-generated Metadata Provenance)

Appendix A (Control Subfields)

See also:

Appendix F:  Format Change Lists

Appendices