| Defining URL | http://terminology.hl7.org/NamingSystem/ietf3066 |
| Version | 2.1.0 |
| Name | Ietf3066 |
| Title | Tags for the Identification of Languages |
| Status | active |
| Definition | from OID registry |
| Publisher | IETF |
| Type | Value | Preferred |
| OID | 2.16.840.1.113883.6.121 | true |
| URI | http://terminology.hl7.org/CodeSystem/ietf3066 | false |
| URI | urn:ietf:bcp:47 | true |