25 C.F.R. § 11.104 Jurisdictional limitations.
Title 25 - Indians
(a) No Court of Indian Offenses may exercise any jurisdiction over a Federal or state official that it could not exercise if it were a tribal court. (b) Unless otherwise provided by a resolution or ordinance of the tribal governing body of the tribe occupying the Indian country over which a Court of Indian country over which a Court of Indian Offenses has jurisdiction, no Court of Indian Offenses may adjudicate an election dispute or take jurisdiction over a suit against the tribe or adjudicate any internal tribal government dispute. (c) The decision of the BIA on who is a tribal official is binding in a Court of Indian Offenses. (d) The Department of the Interior will accord the same weight to decisions of a Court of Indian Offenses that it accords to decisions of a tribal court. (e) A tribe may not be sued in a Court of Indian Offenses unless its tribal governing body explicitly waives its tribal immunity by tribal resolution or ordinance.
Title 25: Indians
PART 11—LAW AND ORDER ON INDIAN RESERVATIONS
Subpart A—Application; Jurisdiction
§ 11.104 Jurisdictional limitations.

