Mo. Rev. Stat. § 573.540: No state preemption on regulation — consistency with state law required for local law.

1. Nothing in sections 573.525 to 573.537 shall be construed as preempting or preventing any political subdivision of this state from maintaining, enacting, or enforcing any local ordinance, rule, regulation, resolution, or similar law concerning the regulation of sexually oriented businesses or similar adult oriented businesses which is stricter than but not inconsistent with the provisions of sections 573.525 to 573.537.

2. Political subdivisions of this state are specifically authorized to maintain, enact, and enforce local ordinances, rules, regulations, resolutions, or other similar laws concerning the regulation of sexually oriented businesses or similar adult-oriented businesses which are the same as or stricter than but not inconsistent with the provisions of sections 573.525 to 573.537.