Mo. R. Gov. Bar Jud. 10.14
If there are paper ballots cast in the election, there shall be at least three canvassers, two or more of whom shall be members of The Missouri Bar or judges of the court in the office of whose clerk the election is to be held. The third member may be the clerk of the court in whose office the election is held, the clerk's designee or another member of The Missouri Bar, or a judge of the court in which the election is being held. The canvassers shall canvass the ballots and tabulate and sign the results. Once tabulated, paper ballot results shall be included with the electronic vote count in Rule 10.12.
Upon completion of the canvass, the clerk shall place all ballots in one package and all signature cards in another and shall retain them in his or her office for a period of six months. The clerk shall not permit any person to inspect them except upon an order of this Court. At the end of such six months period he or she shall, unless otherwise ordered by this Court, destroy such ballots and signature cards. The clerk and other canvassers shall not disclose how any voter cast his or her ballot except upon an order of this Court, or in the course of giving evidence lawfully required.
Mo. R. Gov. Bar Jud. 10.14