Okla. Stat. tit. 11, § 11-34-101: Police officers

A. A municipal police officer shall at all times have the power

to make or order an arrest for any offense against the laws of this

state or the ordinances of the municipality. The officer shall have

such other powers, duties and functions as may be prescribed by law

or ordinance.

B. In addition to regular full-time municipal police officers,

reserve municipal police officers may also be appointed by the chief

of police. Reserve municipal police officers shall have the powers,

duties and functions as set forth in law or ordinance for regular

full-time municipal police officers, including serving as police

officers in another municipality requesting assistance pursuant to

Section 34-103 of this title. A reserve municipal police officer

shall serve on a part-time basis and shall perform duties only while

on authorized duty. Noncompensated reserve municipal police

officers may serve as dispatchers or confinement officers at

municipal jails. Part-time reserve officers shall serve not more

than one hundred forty (140) hours per calendar month.

Such reserve municipal police officers must meet the minimum

requirements of Section 3311 of Title 70 of the Oklahoma Statutes.