ISO 639-5

ISO 639-5

ISO 639-5:2008 "Codes for the representation of names of languages—Part 5: Alpha-3 code for language families and groups" is an international standard published by the International Organization for Standardization (ISO). It was developed by ISO Technical Committee 37, Subcommittee 2, and first published on May 15, 2008. It is part of the ISO 639 series of standards.

Read more about ISO 639-5:  Collective Codes, Relationship To Other Parts of ISO 639, History, Problems