MARC Report 256: MARC21 Changes

MARC Report 256 adds support for the changes introduced by–

MARC21 Update No. 31--Bibliographic, Authorities, Holdings

–announced by the Library of Congress on December 1, 2020.

In addition, MARC Report 256 includes codelist updates to support the following notices:

TECHNICAL NOTICE (November 24, 2020)
TECHNICAL NOTICE (November 13, 2020)
TECHNICAL NOTICE (October 23, 2020)
TECHNICAL NOTICE (September 16, 2020)
TECHNICAL NOTICE (September 11, 2020)
TECHNICAL NOTICE (July 28, 2020)
TECHNICAL NOTICE (June 26, 2020)