25 C.F.R. § 11.500 Law applicable to civil actions.
Title 25 - Indians
(a) In all civil cases the Court of Indian Offenses shall apply any laws of the United States that may be applicable, any authorized regulations of the Interior Department, and any ordinances or customs of the tribe occupying the area of Indian country over which the court has jurisdiction, not prohibited by Federal laws. (b) Where any doubt arises as to the customs and usages of the tribe the court may request the advice of counselors familiar with these customs and usages. (c) Any matters that are not covered by the traditional customs and usages of the tribe, or by applicable Federal laws and regulations, shall be decided by the Court of Indian Offenses according to the law of the State in which the matter in dispute lies.
Title 25: Indians
PART 11—LAW AND ORDER ON INDIAN RESERVATIONS
Subpart E—Civil Actions
§ 11.500 Law applicable to civil actions.
