Indian Country
Indian Country means Indian country as defined in 18 U.S.C. 1151. That section defines Indian country as:
(a) All land within the limits of any Indian reservation under the jurisdiction of the United States government, notwithstanding the issuance of any patent, and including rights-of-way running through the reservation;
(b) All dependent Indian communities within the borders of the United States whether within the original or subsequently acquired territory thereof, and whether within or without the limits of a State; and
(c) All Indian allotments, the Indian titles to which have not been extinguished, including rights-of-way running through the same.
Source
40 CFR § 372.3
Scoping language
Terms defined in sections 313(1)(c) and 329 of Title III and not explicitly defined herein are used with the meaning given in Title III. For the purpose of this part: