25 CFR 502.12 : Indians (§ 1.1 To Parts 1201-1299) — (Part 300 To Parts 1201-1299) — National Indian Gaming Commission, Department Of The Interior (Part 500 To Parts 590-599) — General Provisions (Part 500 To § 519.4) — Definitions Of This Chapter (§ 502.1 To § 502.24) — Indian lands.

Indian lands means:

(a) Land within the limits of an Indian reservation; or

(b) Land over which an Indian tribe exercises governmental power and that is either -

(1) Held in trust by the United States for the benefit of any Indian tribe or individual; or

(2) Held by an Indian tribe or individual subject to restriction by the United States against alienation.