The Library of Congress >> Librarians, Archivists >> Standards >> MARC

Concise Formats - 2007 Archive >> Authority >> 01X-09X >> 042

042 - Authentication Code (NR)

MARC 21 Authority - Concise

2007

This is an ARCHIVED VERSION of the 2007 electronic edition of the MARC 21 Concise Formats. Please see loc.gov/marc/concise/ for the most up-to-date version of the electronic MARC 21 Concise Formats.

One or more authentication codes indicating that the record, existing in a national database, has been reviewed in a specific way. The codes are associated with specifically designated authentication agencies.

Indicators

First - Undefined

# - Undefined

Second - Undefined

# - Undefined

Subfield Codes

$a - Authentication code (R)

If more than one code is applicable, the subfield is repeated. Code from: MARC Code Lists for Relators, Sources, Description Conventions.

Concise Formats - 2007 Archive >> Authority >> 01X-09X >> 042

The Library of Congress >> Librarians, Archivists >> Standards >> MARC

(03/01/2008)