Mo. Rev. Stat. § 106.200

The supreme court or special commission, as the case may be, shall cause a transcript of the proceedings had on any impeachment to be made out, and the judgment of the court or commission, whether of conviction or acquittal, which shall be signed by the officer presiding at the trial and attested by the secretary of the commission or a judge of the court hearing the cause and deposited in the office of the secretary of state.