Mo. Rev. Stat. § 483.075: Duties of clerk — when county clerk replaces circuit clerk, exception.

1. Every clerk shall record the judgments, rules, orders and other proceedings of the court; issue and attest all process when required by law and affix the seal of his office thereto, or if none be provided, then his private seal; keep a perfect account of all moneys coming into his hands on account of costs or otherwise, and punctually pay over the same.

2. Provided, that where the clerk of the circuit court is a party, plaintiff or defendant, whether singly or jointly with others, to a suit or action, the writ of summons and all other process shall be issued by the clerk of the county commission, the reason therefor being noted on said process, and said latter named clerk shall, on the trial of said cause, act as temporary clerk of the circuit court and otherwise perform in said cause all the duties of the circuit court clerk. This subsection shall not apply where the clerk of the circuit court is named as a party under sections 610.130 to 610.145 or other sections relating to the expungement of criminal records.