TECHNICAL NOTICE (October 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 3 subject source codes, 1 description convention source code, 1 action term source code, and 2 authentication codes. 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 December 29, 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.

• MARC Term, Name, Title Sources
  Additions:
• lemac - Llista d'encapcalaments de materia en catalan (subfield $2 in Bibliographic and Community Information records in fields 600-651, 655-658)
• rugeo - Natsional'nyi normativnyi fail geograficheskikhn azvanii Rossiiskoi Federatsii (subfield $2 in Bibliographica and Community Information records in field 600-651, 655-658
• vmj - Vedettes-matiere jeunesse (subfield $2 in Bibliographic and Community Information records in fields 600-651, 655-658

• MARC Description Conventions
  Additions:
• isadg - ISAD(G) General international standard archival description (subfield $e in Authority and Bibliographic records in field 040)

• Other Sources
  Additions:
  • issnuk - ISSN UK Centre (subfield $a in Bibliographic records in field 042
  • xissnuk - Not verified by ISSN UK Centre (subfield $a in Bibliographic records in field 042)
  • pda - Preservation & digitization actions (subfield $2 in Bibliographic and Holdings records in field 583)

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" electronic list (marc@loc.gov).

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