Language Subtag Registry
Registration Procedure(s)
- Expert Review
Expert(s)
- Doug Ewell
Reference
Note
Registration requests should be submitted to the ietf-languages@ietf.org mailing list. For more information, see RFC 5646, Section 3.5.
Note
The format of the registry is explained in Section 3 and Section 3.1 of RFC 5646.
When referring to language tags in specifications, please refer to RFC 5646.
Registry File
Supplemental Information
Language subtag registration forms are available in the Language Subtag Registration Form Archive.
Language Tag Extensions
Registration Procedure(s)
- IETF Review or IESG Approval
Reference
- RFC 5646: Tags for Identifying Languages
Note
While registration requires IESG approval or an IETF Stream RFC, the maintaining authority for an extension can submit changes to contact information and/or URLs directly to IANA, as described in RFC 5646, Section 5.2.
Registry File
Language Tags (OBSOLETE)
Registration Procedure(s)
- Registry closed
Reference
Note
This registry is obsolete and has been replaced by the Language Subtag Registry, as described in RFC 4646, Section 5.1.
Registry File
Supplemental Information
Language tag registration forms are available in the Language Tag Registration Form Archive.