MARC21 Changes in MARC Report 261

Version 261 (January, 2024) adds:

• Support for MARC Update No. 36 (Bibliographic)
• Support for MARC Update No. 36 (Authorities)
• Support for MARC Update No. 37 (Bibliographic)
• Support for MARC Update No. 37 (Authorities)

• Support for Relators update (Aug. 2023)¹⁾

• MARC 21 Format for Holdings Data ²⁾

In addition, MARC Report 261 includes code list updates to support all of the following Technical notices:

Additions to Source Codes for Vocabularies, Rules, and Schemes (December 05, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (October 31, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (October 20, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (Sept. 12, 2023) -- Revised

Additions to Source Codes for Vocabularies, Rules, and Schemes (Sept. 12, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (August 29, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (August 22, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (August 08, 2023)

Additions to Relator Terms (August 08, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (July 18, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (June 20, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (May 23, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (May 02, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (April 25, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (April 11, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (March 07, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (February 22, 2023)

Additions to Source Codes for Vocabularies, Rules, and Schemes (January 25, 2023)