Mo. Rev. Stat. § 79.550: Municipal redevelopment authority, governing body may establish (certain municipalities).

Any fourth class city with a population of at least one thousand which is located within a first class county with a charter form of government adjoining a city not within a county and which has had, during four years prior to June 24, 1988, at least fifteen percent of the lands within the city limits of such city purchased under a federal noise abatement program designed to purchase residential property due to the high level of noise from a nearby airport, any municipality which adjoins a city not within a county and which contains an enterprise zone, and any municipality which has a population of less than seven thousand inhabitants which adjoins a city not within a county and also adjoins either a municipality containing an enterprise zone or a municipality which adjoins a municipality containing an enterprise zone may, upon the motion of the governing body of such municipality, establish a municipal redevelopment authority pursuant to sections 79.550 to 79.565.