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
The following codes are for use in subfield $2 in field 041 in Bibliographic and Community Information records (Language Code).
- Tags for Identifying Languages [use only after November 28, 2007]
- Codes for the representation of names of languages--Part 3 [use only after November 28, 2007]