Missouri Revised Statutes Title VI. County, Township and Political Subdivision Government § 65.687. Designation of zoning official, when--permit required for building alterations, when

Any township board which has adopted a zoning plan, as provided in sections 65.650 to 65.700, shall appoint an officer or shall designate one of the existing officials to enforce the provisions of sections 65.650 to 65.700.  After the appointment or designation of such officer or official, no building or other structure shall be erected, constructed, reconstructed, enlarged or altered, or repaired in such manner as to prolong the life of the building, nor shall the use of any land be changed without a permit issued by such officer or official.