Okla. Admin. Code § 515:15-3-1
An Inmate in the custody of the Department of Corrections, not serving a probationary term as a result of a deferment or suspension of a sentence and not on parole, who has served, in actual custody, the shorter of five (5) years of the term or terms of imprisonment, or one-third (1/3) of the total term or terms of imprisonment, shall be eligible for commutation consideration of a sentence except for a conviction of impeachment.
Added at 35 Ok Reg 1908, eff 9-14-18
Amended at 41 Ok Reg, Number 22, effective 9-11-24