(a) Federal criminal investigators and law enforcement officers are not California peace officers, but may exercise the powers of arrest of a peace officer in any of the following circumstances:

(1) Any circumstances specified in Section 836 of this code or § 5150 of the Welfare and Institutions Code for violations of state or local laws.

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(2) When these investigators and law enforcement officers are engaged in the enforcement of federal criminal laws and exercise the arrest powers only incidental to the performance of these duties.

(3) When requested by a California law enforcement agency to be involved in a joint task force or criminal investigation.

(4) When probable cause exists to believe that a public offense that involves immediate danger to persons or property has just occurred or is being committed.

In all of these instances, the provisions of Section 847 shall apply. These investigators and law enforcement officers, prior to the exercise of these arrest powers, shall have been certified by their agency heads as having satisfied the training requirements of Section 832, or the equivalent thereof.

This subdivision does not apply to federal officers of the Bureau of Land Management or the United States Forest Service. These officers have no authority to enforce California statutes without the written consent of the sheriff or the chief of police in whose jurisdiction they are assigned.

(b) Duly authorized federal employees who comply with the training requirements set forth in Section 832 are peace officers when they are engaged in enforcing applicable state or local laws on property owned or possessed by the United States government, or on any street, sidewalk, or property adjacent thereto, and with the written consent of the sheriff or the chief of police, respectively, in whose jurisdiction the property is situated.

(c) National park rangers are not California peace officers but may exercise the powers of arrest of a peace officer as specified in Section 836 and the powers of a peace officer specified in § 5150 of the Welfare and Institutions Code for violations of state or local laws provided these rangers are exercising the arrest powers incidental to the performance of their federal duties or providing or attempting to provide law enforcement services in response to a request initiated by California state park rangers to assist in preserving the peace and protecting state parks and other property for which California state park rangers are responsible. National park rangers, prior to the exercise of these arrest powers, shall have been certified by their agency heads as having satisfactorily completed the training requirements of Section 832.3, or the equivalent thereof.

(d) Notwithstanding any other provision of law, during a state of war emergency or a state of emergency, as defined in § 8558 of the Government Code, federal criminal investigators and law enforcement officers who are assisting California law enforcement officers in carrying out emergency operations are not deemed California peace officers, but may exercise the powers of arrest of a peace officer as specified in Section 836 and the powers of a peace officer specified in § 5150 of the Welfare and Institutions Code for violations of state or local laws. In these instances, the provisions of Section 847 of this code and of § 8655 of the Government Code shall apply.

(e) (1) Any qualified person who is appointed as a Washoe tribal law enforcement officer is not a California peace officer, but may exercise the powers of a Washoe tribal peace officer when engaged in the enforcement of Washoe tribal criminal laws against any person who is an Indian, as defined in subsection (d) of Section 450b of Title 25 of the United States Code, on Washoe tribal land. The respective prosecuting authorities, in consultation with law enforcement agencies, may agree on who shall have initial responsibility for prosecution of specified infractions. This subdivision is not meant to confer cross-deputized status as California peace officers, nor to confer California peace officer status upon Washoe tribal law enforcement officers when enforcing state or local laws in the State of California. Nothing in this section shall be construed to impose liability upon or to require indemnification by the County of Alpine or the State of California for any act performed by an officer of the Washoe Tribe. Washoe tribal law enforcement officers shall have the right to travel to and from Washoe tribal lands within California in order to carry out tribal duties.

(2) Washoe tribal law enforcement officers are exempted from the provisions of subdivision (a) of Section 25400 and subdivision (a) and subdivisions (c) to (h), inclusive, of Section 25850 while performing their official duties on their tribal lands or while proceeding by a direct route to or from the tribal lands. Tribal law enforcement vehicles are deemed to be emergency vehicles within the meaning of § 30 of the Vehicle Code while performing official police services.

(3) As used in this subdivision, the term “Washoe tribal lands” includes the following:

(A) All lands located in the County of Alpine within the limits of the reservation created for the Washoe Tribe of Nevada and California, notwithstanding the issuance of any patent and including rights-of-way running through the reservation and all tribal trust lands.

(B) All Indian allotments, the Indian titles to which have not been extinguished, including rights-of-way running through the same.

(4) As used in this subdivision, the term “Washoe tribal law” refers to the laws codified in the Law and Order Code of the Washoe Tribe of Nevada and California, as adopted by the Tribal Council of the Washoe Tribe of Nevada and California.

(Amended (as amended by Stats. 2010, Ch. 178, Sec. 67) by Stats. 2011, Ch. 296, Sec. 212. (AB 1023) Effective January 1, 2012.)