Mo. Rev. Stat. § 92.200: Amendment of charter required — present ordinance to continue.

No ordinance enacted under sections 92.110 to 92.200, except an ordinance limited to the purposes of section 92.170, shall be effective unless it is authorized pursuant to a charter amendment of such city; provided that any ordinance authorized by charter and presently in effect shall remain in effect until an ordinance is adopted under the authority of sections 92.110 to 92.200.