Mo. Rev. Stat. § 67.412

Every city or county which adopts an ordinance under section 67.410 shall notify the director of the department of commerce and insurance within fourteen days after the adoption of such ordinance. The director shall, in turn, notify insurance companies which issue policies insuring buildings and other structures against fire, explosion, or other casualty loss within fourteen days after such notification from cities or counties. Insurance companies shall have sixty days after the director notifies them of the adoption of such ordinance to establish procedures within such cities or counties to carry out the provisions of subsection 6 * of section 67.410.