Mo. Rev. Stat. § 546.820
Whenever the governor shall be satisfied that the cause of such suspension no longer exists, he shall issue his warrant, appointing a day for the execution of such convict, pursuant to her sentence; or he may, at his discretion, commute her punishment to imprisonment in the penitentiary for life.
(RSMo 1939 § 4198)
Prior revisions: 1929 § 3808; 1919 § 4154; 1909 § 5362