TECHNICAL NOTICE (May 20, 2005)

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

Network Development and MARC Standards Office
Library of Congress

The code listed below has been recently approved for use in MARC 21 records. The new code will be added to the online MARC Code Lists for Relators, Sources, Description Conventions. The code should not be used in exchange records until after July 20, 2005. This 60-day waiting period is required to provide MARC 21 implementers time to include the newly defined code in any validation tables they may apply to the MARC fields where the code is used.

• MARC Classification Sources
  Addition:
• bcl - Nederlandse Basisclassificatie = Dutch Basic Classification Codes (The Hague: Koninklijke Bibliotheek). For use in subfield $2 (Source of number) in Bibliographic and Classification records in field 084 (Other Classification Number), and in subfield $2 (Source) in Authority records in field 065 (Other Classification Number). May also be used in subfield $2 (Source of classification or shelving scheme) in Bibliographic and Holdings records in field 852 (Location). [use after July 20, 2005]

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 of its "MARC" electronic list (marc@loc.gov).

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