Indian tribe
Indian tribe means -
(1) Any Indian tribe, band, nation, Alaska Native village, or any organized group or community which is recognized as eligible for the special programs and services provided by the United States to Indians because of their status as Indians; or
(2) Any Indian group that has been formally recognized as an Indian tribe by a State legislature or by a State commission or similar organization legislatively vested with State tribal recognition authority.
Source
25 CFR § 309.2
Scoping language
Indian as applied to an individual means a person who is a member of an Indian tribe or for purposes of this part is certified by an Indian tribe as a non-member Indian artisan (in accordance with the provisions of 309.4).