(a) Except as otherwise provided in this section, the term of office of each director shall be four years.
(b) For the board first appointed, at least one appointee of each legislative body shall have a two-year term.
(c) If the appointee of any legislative body is one of its own members, the appointee may serve only as long as the appointee is a member of the legislative body.
(d) An appointment to fill a vacancy on the board, or an appointment made after the expiration of the preceding term, shall be for the unexpired portion of the term.
(e) The failure of a board member to attend three consecutive meetings of the board without good cause shall create a vacancy in the office of the board member.