(a) When used in this section, the words municipality, municipalities, and mayor shall have the meanings as provided for in Section 11-52-1.
(b) The council of any Class 5 municipality with a city manager or mayor commission form of government may determine by ordinance that any board of adjustment of the municipality created pursuant to Section 11-52-80, shall consist of seven members: six regular members appointed by the council and representing as equally as possible the several districts, wards, or other areas of the municipality, to be determined by the council, and one regular member appointed by the mayor.
(c) In exercising the powers in subsection (d) of Section 11-52-80, the board may reverse, affirm, or may modify the order, requirement, decision, or determination appealed from and may enter the appropriate order, requirement, decision, or determination and, to that end, shall have all the powers of the officer from whom the appeal is taken. The concurring vote of five members of the board shall be necessary to reverse any order, requirement, decision, or determination of an administrative official or to decide in favor of the applicant on a matter upon which the board is required to pass under any ordinance or to effect any variation in the ordinance.
(d) Upon the adoption by the council of any Class 5 municipality with a city manager or mayor commission form of government of an ordinance adopting an alternate board of adjustment structure pursuant to this section, the terms of the incumbent members of any existing planning commission shall be terminated.
(e) Unless specified otherwise in this section, the duties, powers, responsibilities, and procedures of any planning commission appointed pursuant to this section shall be as provided for in this chapter.