Section 7.12  City Planning Commission; Zoning.
   (a)   The council shall maintain a city planning commission in accordance with and having all the powers and duties granted by the provisions of law relating to such commissions, and this charter including, but not limited to, P.A. 1921, No. 207; P.A. 1931, No. 285 and all other intergovernmental planning and zoning statues which it deems beneficial to the health, safety, and general welfare of the city.
   (b)   The council shall maintain a zoning ordinance in accordance with the provisions of law relating to such ordinances and this charter.  The ordinance shall provide that zoning be coordinated with the work of the city planning commission.
   (c)   The members of the Planning Commission and the Zoning Board of Appeals shall be appointed by the mayor subject to confirmation by the council and shall be residents of the city.  Their functions and duties shall be in accordance with statute and city ordinance.