(a) Members of the board serve staggered six-year terms. The terms of five or six members expire December 1 of each even-numbered year.
(b) A person may not be appointed to serve consecutive terms.
(c) A person may be appointed to serve a nonconsecutive term if the person left the board at the expiration of the person's previous term.
(d) If a vacancy occurs during a member's term, the same entity that appointed the member shall appoint a replacement to fill the unexpired term.