Okla. Stat. tit. 44, § 2901
Except as provided in Sections 406 and 907 of this code, a court-martial sentence may be ordered executed by the convening authority when approved by him. He shall approve the sentence or such part, amount, or commuted form of the sentence as he sees fit, and may suspend the execution of the sentence as approved by him.
Laws 1963, SB 277, c. 148, § 901, emerg. eff. June 6, 1963.