25 C.F.R. § 11.431 False reports.
Title 25 - Indians
(a) A person who knowingly gives false information to any law enforcement officer with the purpose to implicate another commits a misdemeanor. (b) A person commits a petty misdemeanor if he or she: (1) Reports to law enforcement authorities an offense or other incident within their concern knowing that it did not occur; or (2) Pretends to furnish such authorities with information relating to an offense or incident when he or she knows he or she has no information relating to such offense or incident.
Title 25: Indians
PART 11—LAW AND ORDER ON INDIAN RESERVATIONS
Subpart D—Criminal Offenses
§ 11.431 False reports.