Mo. Rev. Stat. § 41.340
Current with changes from the 2023 Legislative Session
The commission of an officer shall be vacated only by death, by acceptance by proper authority of resignation by discharge on account of inefficiency, for physical disqualification, when dropped from the rolls for an absence without leave for thirty days, by dismissal pursuant to sentence of a general court-martial or withdrawal of federal recognition.
§ 41.340, RSMo
RSMo 1939 § 15032, A.L. 1951 p. 654 § 52