25 CFR § 151.2 - Definitions.
(a) Secretary means the Secretary of the Interior or authorized representative.
(b) Tribe means any Indian tribe, band, nation, pueblo, community, rancheria, colony, or other group of Indians, including the Metlakatla Indian Community of the Annette Island Reserve, which is recognized by the Secretary as eligible for the special programs and services from the Bureau of Indian Affairs. For purposes of acquisitions made under the authority of 25 U.S.C. 488 and 489, or other statutory authority which specifically authorizes trust acquisitions for such corporations, “Tribe” also means a corporation chartered under section 17 of the Act of June 18, 1934 (48 Stat. 988; 25 U.S.C. 477) or section 3 of the Act of June 26, 1936 (49 Stat. 1967; 25 U.S.C. 503).
(c) Individual Indian means:
(1) Any person who is an enrolled member of a tribe;
(2) Any person who is a descendent of such a member and said descendant was, on June 1, 1934, physically residing on a federally recognized Indian reservation;
(3) Any other person possessing a total of one-half or more degree Indian blood of a tribe;
(4) For purposes of acquisitions outside of the State of Alaska, Individual Indian also means a person who meets the qualifications of paragraph (c)(1), (2), or (3) of this section where “Tribe” includes any Alaska Native Village or Alaska Native Group which is recognized by the Secretary as eligible for the special programs and services from the Bureau of Indian Affairs.
(e) Restricted land or land in restricted status means land the title to which is held by an individual Indian or a tribe and which can only be alienated or encumbered by the owner with the approval of the Secretary because of limitations contained in the conveyance instrument pursuant to Federal law or because of a Federal law directly imposing such limitations.
(f) Unless another definition is required by the act of Congress authorizing a particular trust acquisition, Indian reservation means that area of land over which the tribe is recognized by the United States as having governmental jurisdiction, except that, in the State of Oklahoma or where there has been a final judicial determination that a reservation has been disestablished or diminished, Indian reservation means that area of land constituting the former reservation of the tribe as defined by the Secretary.
(g) Land means real property or any interest therein.
(h) Tribal consolidation area means a specific area of land with respect to which the tribe has prepared, and the Secretary has approved, a plan for the acquisition of land in trust status for the tribe.