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TECHNICAL NOTICE (September 28, 2007)

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

Network Development and MARC Standards Office
Library of Congress

The codes listed below has been recently approved for use in MARC 21 records. The code 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 November 28, 2007. 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.

Language code sources

The following codes are for use in subfield $2 in field 041 in Bibliographic and Coommunity Information records (Language code/Source of code).

• Additions:
  • rfc4646 - Tags for identifying languages [use only after November 28, 2007]
  • iso639-3 - Codes for the representation of names of languages--Part 3 [use only after November 28, 2007]

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. (marc@loc.gov).

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