Indian tribal government
(40) Indian tribal government (A) In general The term “Indian tribal government” means the governing body of any tribe, band, community, village, or group of Indians, or (if applicable) Alaska Natives, which is determined by the Secretary, after consultation with the Secretary of the Interior, to exercise governmental functions. (B) Special rule for Alaska Natives No determination under subparagraph (A) with respect to Alaska Natives shall grant or defer any status or powers other than those enumerated in section 7871. Nothing in the Indian Tribal Governmental Tax Status Act of 1982, or in the amendments made thereby, shall validate or invalidate any claim by Alaska Natives of sovereign authority over lands or people.
26 USC § 7701(a)(40)
None identified. Default scope is assumed to be the entire title.