(a) The governing body of any Class 5 municipality may determine by ordinance that any planning commission of the municipality created pursuant to the provisions of Section 11-52-3, shall consist of nine members: Namely, eight members appointed by the governing body representing as equally as possible the several districts or wards of the municipality, such representation to be determined by the governing body and one member appointed by the mayor or chief executive officer of the municipality. The eight appointees appointed by the governing body shall serve at the pleasure of the governing body and the member appointed by the mayor or chief executive officer shall serve at his pleasure. Each member of the governing body excluding the mayor or chief executive officer shall nominate persons to fill two vacancies on said commission within two months after the vacancy occurs. Failure to do so shall result in the vacancy being filled by the governing body without said nomination. In addition, each member of the governing body shall nominate an alternate member of the commission subject to the approval of the governing body. The powers and duties of the alternate members shall be prescribed by the governing body. Alternate members shall serve at the pleasure of the governing body. The city engineer of any Class 5 municipality who adopts this alternate planning commission structure shall be an ex officio member of the planning commission but shall have no voting rights.
(b) Where an alternate planning commission structure of any Class 5 municipality has been provided for by ordinance as provided herein, the action of the planning commission shall be subject to appeal to the governing body of the municipality. An appeal of the action of the local governing body shall be to the circuit court of the county in which such municipality is located.