This is the official site of the ISO 639-3 Registration Authority and thus is the only one authorized by ISO. Please read the section on "Information on ISO 639-3" to learn about the Standard.
The history of any change request may be viewed on its documentation page of the pattern:
Likewise, the history of any code element may be viewed on its documentation page of the pattern:
ISO 639-3 Registrar
7500 W. Camp Wisdom Road
Dallas, TX 75236
Phone: +1 972 708 7482