Mo. Rev. Stat. § 94.755

It is the stated purpose and intent of the general assembly of the state of Missouri that sections 94.700 to 94.755 represent only a recodification of existing law and shall not constitute a new tax, license or fee, or an increase in the current levy or an existing tax, license or fee for the purpose of Article X, Section 22(a) of the Constitution of Missouri, and that cities which imposed and collected the tax under sections 94.600 to 94.655 before January 5, 1984, may collect such tax under the provisions of sections 94.700 to 94.755 without further approval of the voters as a continuation of a tax previously approved by the voters of such city.