639 Identifier Documentation: fas
Persian [fas]
When two 639-2 codes are provided for the same language, they are to be considered synonyms. The first is from the code set for terminology applications (ISO 639-2/T) and the second is from the code set for bibliographic applications (ISO 639-2/B).
Persian is a macrolanguage.
For a listing of the languages that are members of the macrolanguage Persian, see the documentation for the equivalent 639-3 code, namely [fas].