Mo. Rev. Stat. § 52.317

52.317. Moneys provided for budget purposes, requirements — moneys remaining in fund at end of calendar year, requirements — one-time expenditures, common fund permitted. — 1. Any county subject to the provisions of section 52.312 shall provide moneys for budget purposes in an amount not less than the approved budget in the previous year and shall include the same percentage adjustments in compensation as provided for other county employees as effective January first each year. Any moneys accumulated and remaining in the tax maintenance fund as of December thirty-first each year in all counties of the first classification and any county with a charter form of government and with more than two hundred fifty thousand but less than seven hundred thousand inhabitants shall be limited to an amount equal to one-half of the previous year's approved budget for the office of collector, and any moneys accumulated and remaining in the tax maintenance fund as of December thirty-first each year in all counties other than counties of the first classification and any city not within a county, which collect more than four million dollars of all current taxes charged to be collected, shall be limited to an amount equal to the previous year's approved budget for the office of collector. Any moneys remaining in the tax maintenance fund as of December thirty-first each year that exceed the above-established limits shall be transferred to county general revenue by the following January fifteenth of each year.

2. For one-time expenditures directly attributable to any department, office, institution, commission, or county court, the county commission may budget such expenses in a common fund or account so that any such expenditures separately budgeted do not appear in any specific department, county office, institution, commission, or court budget.

(L. 2002 H.B. 1634, A.L. 2005 H.B. 58 merged with S.B. 210, A.L. 2007 S.B. 22 merged with S.B. 497)