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TECHNICAL NOTICE (October 19, 2006)

Addition 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. The codes will be added to the online MARC Code Lists for Relators, Sources, Description Conventions.

The codes should not be used in exchange records until after December 19, 2006. This 60-day waiting period is required to provide MARC 21 implementers time to include newly defined codes in any validation tables they may apply to the MARC fields where the codes are used.

Description Conventions

The following code is for use in subfield $e in field 040 (Cataloging Source) in Authority and Bibliographic records.

Term, Name, Title Sources

The following code is for use in subfield $2 in Bibliographic and Community Information records in 6xx fields and in subfield $f in field 040 (Cataloging Source) in Authority records.

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


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