Mo. Rev. Stat. § 221.350

The board of county visitors each year shall prepare a full report of their proceedings during the year, with such recommendations as they may deem advisable, and shall file the same with the presiding judge of the circuit court, sheriff, and county commission. Whenever the board of county visitors shall present a memorial or report to the county commission or to the judge of the circuit court, they shall, at the same time, transmit a copy of the same to the sheriff of the county.