Okla. Stat. tit. 21, § 21-521

Any person who by force or fraud rescues or attempts to rescue,

or aids another person in rescuing or in attempting to rescue, any

prisoner from any officer or other person having him in lawful

custody, is punishable as follows:

1. If such prisoner was in custody upon a charge or conviction

of a felony, such person shall be guilty of a Class B1 felony

offense and shall be punished by imprisonment in the State

Penitentiary for not less than ten (10) years; or

2. If such prisoner was in custody otherwise than upon a charge

or conviction of a felony, by imprisonment in a county jail not

exceeding one (1) year, or by fine not exceeding Five Hundred

Dollars ($500.00), or by both such fine and imprisonment.

R.L. 1910, § 2194. Amended by Laws 1997, c. 133, § 206, eff. July

1, 1999; Laws 1999, 1st Ex.Sess., c. 5, § 116, eff. July 1, 1999;