Mo. Rev. Stat. § 67.1220

67.1220. Board of adjustment, appointment — powers and duties — qualifications — chairman to be elected by members — removal of member from office, procedure — vacancies, terms — procedure to reverse orders. — 1. The governing body of any municipality availing or seeking to avail itself of the powers of sections 67.1200 to 67.1222 shall, by ordinance or resolution duly adopted, provide for the appointment of a board of adjustment. Such board of adjustment shall have the same powers and duties, and its procedure, and appeals thereto and therefrom, in all respects shall be governed by and subject to the same provisions established in chapter 89 .

2. The concurring vote of a majority of the board shall be necessary to reverse any order, requirement, decision or determination of any administrative official or to decide in favor of the applicant on any matter upon which it is required to pass under any regulations adopted pursuant to sections 67.1200 to 67.1222 or to approve any variance therefrom.

3. The board of adjustment shall consist of two members from each municipality located within all or part of the airport hazard area, and the controlled compatible land use area, selected by the governing body thereof, and one additional member to act as chairman and to be selected by a majority vote of the members selected by the municipality. Members shall be removable for cause by the appointing authority upon written charges and after public hearing. Vacancies shall be filled for the unexpired term of any member whose office becomes vacant in the same manner in which such member was selected. The terms of the members of the board of adjustment shall be for five years, except that when the board shall first be created, one of the members appointed by each municipality shall be appointed for a term of two years and one for a term of four years.

(L. 1992 H.B. 1434 & 1490 § 20)