There is hereby established a planning and zoning commission for the Town of Oro Valley to consist of not less than five nor more than seven members, each of whom shall be a resident of the town, to be appointed by the council. The members of the planning commission shall serve at the pleasure of the council for two-year terms providing nothing herein shall affect the expiration of the current terms of said planning commission. The members of the planning commission shall serve without compensation; however, members may be reimbursed for actual expenses incurred in connection with their duties upon authorization or ratification by the commission and approval of such expenditures by the council.