MARC: News and Announcements (January 17, 2003)

TECHNICAL NOTICE (January 17, 2003)

Additions to the MARC Code Lists for Relators, Sources, Description Conventions

Network Development and MARC Standards Office
Library of Congress


The codes listed below have been recently approved for use in MARC 21 records. They include 1 classification scheme source code, 3 subject source codes, and 1 source code for the preferred citation of described materials. These new codes will be added to the online MARC Codes Lists for Relators, Sources, Description Conventions. The codes should not be used in exchange records until after March 10, 2003. This 60-day waiting period is required to provide MARC 21 implementers with time to include newly defined codes in any validation tables they may apply to the MARC fields where these codes are used.

In addition to new codes, definitions were added to 22 existing relator codes, which were previously listed without explanatory text. These definitions were added to facilitate their use by other communities.

The Library of Congress, Network Development and MARC Standards Office provides information about existing and newly assigned MARC codes on its Web site (http://www.loc.gov/marc/) as well as notices such as these to subscribers to its "MARC" electronic list ([email protected]).


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Library of Congress Help Desk (January 17, 2003/rkb)