Okla. Stat. tit. 21, § 21-99a

A. Subject to subsections C and D of this section in addition

to any other powers vested by law, a peace officer of the State of

Oklahoma as used in this section may enforce the criminal laws of

this state throughout the territorial bounds of this state, under

the following circumstances:

1. In response to an emergency involving an immediate threat to

human life or property;

2. Upon the prior consent of the head of a state law

enforcement agency, the sheriff or the chief of police in whose

investigatory or territorial jurisdiction the exercise of the powers

occurs;

3. In response to a request for assistance pursuant to a mutual

law enforcement assistance agreement with the agency of

investigatory or territorial jurisdiction;

4. In response to the request for assistance by a peace officer

with investigatory or territorial jurisdiction; or

5. While the peace officer is transporting a prisoner.

B. While serving as peace officers of the State of Oklahoma and

rendering assistance under the circumstances enumerated above, peace

officers shall have the same powers and duties as though employed by

and shall be deemed to be acting within the scope of authority of

the law enforcement agency in whose or under whose investigatory or

territorial jurisdiction they are serving. Salaries, insurance and

other benefits shall not be the responsibility of a law enforcement

agency that is not the employing agency for the peace officer.

Oklahoma Statutes - Title 21. Crimes and Punishments Page 130

C. A municipal peace officer may exercise authority provided by

this section only if the peace officer acts pursuant to policies and

procedures adopted by the municipal governing body.

D. A Bureau of Indian Affairs law enforcement officer or a

tribal law enforcement officer of a federally recognized Indian

tribe who has been commissioned by the Federal Bureau of Indian

Affairs and has been certified by the Council on Law Enforcement

Education and Training shall have state police powers to enforce

state laws on fee land purchased by a federally recognized American

Indian tribe or in Indian country, as defined in Section 1151 of

Title 18 of the United States Code.

E. Nothing in this act shall limit or prohibit jurisdiction

given to tribal officers pursuant to a cross-deputization agreement

between a state or local governmental agency or another state or

federal law.