§21-99a.

§21-99a.
   
   Subject to subparagraph C 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 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 officer.
   
   C. A municipal peace officer may exercise authority provided by this
   section only if the officer acts pursuant to policies and procedures
   adopted by the municipal governing body.