# IETF language tag

> abbreviated language code listing and format maintained by the Internet Engineering Task Force (IETF) mirroring ISO 639-3

**Wikidata**: [Q1059900](https://www.wikidata.org/wiki/Q1059900)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IETF_language_tag)  
**Source**: https://4ort.xyz/entity/ietf-language-tag


## References

1. Freebase Data Dumps. 2013
2. [Re: [Ietf-languages] Punjabi language code fix recommendations](https://mailarchive.ietf.org/arch/msg/ietf-languages/jeE9ayFqi4b5xGS4-Xd-BOVQJpM/)
3. [Source](https://mailarchive.ietf.org/arch/msg/ietf-languages/jeE9ayFqi4b5xGS4-Xd-BOVQJpM/)
4. RFC 2987: Registration of Charset and Languages Media Features Tags