Mo. Rev. Stat. § 106.210
Current with changes from the 2023 Legislative Session
All writs by the court or commission shall run in the name of the state of Missouri, shall be subscribed by the presiding officer and countersigned by a judge of the supreme court or in cases of impeachment of the governor or a judge of the supreme court, by the secretary of the commission and shall be served by the marshal of the court or by a special messenger appointed for that purpose.
§ 106.210, RSMo
RSMo 1939 § 12851, A.L. 1945 p. 1319 § 12851d