Mo. Rev. Stat. § 475.350
Current with changes from the 2024 Legislative Session
If any person adjudicated incapacitated by the judge of the probate division of the circuit court is, at the time of the adjudication, a duly qualified public officer of this state, or of any county in this state, or of any municipality in this state, his office is deemed vacant, and the judge of the court shall certify the fact of such adjudication to the officer or tribunal having power to fill the vacancy; and the vacancy shall be filled during the incapacity of such officer.
§ 475.350, RSMo