As soon as possible after the appointment of the initial members, the board shall organize for the transaction of business, shall select a chairman and a temporary secretary from its own number, and adopt bylaws, rules and regulations to govern its proceedings. The initial chairman and successors shall be elected by the board from time to time for the term of his or her office as a member of the board or for the term of three years, whichever is shorter. (C.O. 52 § 3, 2-21-81; C.O. 23 § 5, 7-23-73.)