Mo. Rev. Stat. § 67.667

The governing body of any county described in section 67.665 may, by adopting an order, impose the tourism tax; provided, however, that no order enacted pursuant to the authority granted by the provisions of section 67.665 shall be effective unless the governing body of the county submits to the voters of the county, at a countywide general or primary election or at a special election called for that purpose, a proposal to authorize the governing body of the county to impose the tourism tax. The ballot of submission shall contain, but not be limited to, the following language: