Mo. Rev. Stat. § 445.030
Such map or plat shall be acknowledged by the proprietor before some official authorized by law to take acknowledgments of conveyances of real estate, and recorded in the office of the recorder of deeds of the county in which the land platted is situated; provided, however, that if such map or plat be of land situated within the corporate limits of any incorporated city, town or village, it shall not be placed of record until it shall have been submitted to and approved by the common council of such city, town or village, by ordinance, duly passed and approved by the mayor, and such approval endorsed upon such map or plat under the hand of the clerk and the seal of such city, town, or village; nor until all taxes against the same shall have been paid; and before approving such plat, the common council may, in its discretion, require such changes or alterations thereon as may be found necessary to make such map or plat conform to any zoning or street development plan which may have been adopted or appear desirable, and to the requirements of the duly enacted ordinances of such city, town or village, appertaining to the laying out and platting of subdivisions of land within their corporate limits.
§ 445.030, RSMo