Mo. Rev. Stat. § 52.312

Notwithstanding any provisions of law to the contrary, in addition to fees provided for in this chapter, or any other provisions of law in conflict with the provisions of this section, all counties, including any county adopting a charter form of government after January 1, 2008, and any county with a charter form of government and with more than two hundred fifty thousand but less than seven hundred thousand inhabitants, other than counties having a charter form of government before January 1, 2008, and any city not within a county, subject to the provisions of this section, shall establish a fund to be known as the "Tax Maintenance Fund" to be used solely as a depository for funds received or collected for the purpose of funding additional costs and expenses incurred in the office of collector.