042 - Authentication Code (NR)
MARC 21 Bibliographic - Concise
2007
One or more authentication codes indicating that the record, existing in a national
database, has been reviewed in a specific way. Used for codes associated with
specifically designated authentication agencies. Code from: MARC Authentication Action Code List.
Indicators
First - Undefined
# - Undefined
Second - Undefined
# - Undefined
Subfield Codes
$a - Authentication code (R)
Examples
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| 042 |
##$alc$ansdp
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| 042 |
##$ansdp$alcd
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| 042 |
##$alcnuc
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| 042 |
##$aissnuk
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