Mo. Rev. Stat. § 56.340
The prosecuting attorney, in counties of the second, third and fourth classes, shall charge upon behalf of the county every fee that accrues in his office and receive the same, and at the end of each month, pay over to the county treasury all moneys collected by him as fees, taking two receipts therefor, one of which he will immediately file with the clerk of the county commission, and shall at the same time make out an itemized and accurate list of all fees in his office which have been collected by him, and one of all fees due his office which have not been paid, giving the name of the person or persons paying or owing the same, and turn the same over to the county commission, stating that he has been unable, after the exercise of diligence, to collect the part unpaid, said report to be verified by affidavit, and it shall be the duty of the county commission to cause the fees unpaid to be collected by law, and to cause the same when collected to be turned over to the county treasury.
§ 56.340, RSMo