The code listed below has been recently approved. The code will be added to applicable Value Lists for Codes and Controlled Vocabularies lists. See the specific value list for current usage in MARC fields and MODS/MADS elements.
The code should not be used in exchange records until 60 days after the date of this notice to provide implementers time to include newly-defined codes in any validation tables.
The following code has been added to the MARC Authentication Action Code List for usage in appropriate fields and elements.
The Library of Congress, Network Development and MARC Standards Office provides information about existing and newly assigned source codes on its Web site (www.loc.gov/marc/).
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( 04/05/2011 )
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