25 CFR 11.301 : Indians (§ 1.1 To Parts 1201-1299) — (§ 1.1 To Appendix To Chapter I) — Bureau Of Indian Affairs, Department Of The Interior (§ 1.1 To Appendix To Chapter I) — Law And Order (§ 10.1 To § 13.16) — Courts Of Indian Offenses And Law And Order Code (§ 11.100 To § 11.1214) — Criminal Procedure (§ 11.300 To § 11.318) — Arrests.

(a) Arrest is the taking of a person into police custody in order that he or she may be held to answer for a criminal offense.

(b) No law enforcement officer shall arrest any person for a criminal offense except when:

(1) The officer shall have a warrant signed by a magistrate commanding the arrest of such person, or the officer knows for a certainty that such a warrant has been issued; or

(2) The offense shall occur in the presence of the arresting officer; or

(3) The officer shall have probable cause to believe that the person arrested has committed an offense.