(a) A director or officer is subject to removal or suspension from office by the affirmative vote of 10 directors for incompetence, official misconduct, official gross negligence, habitual drunkenness, or nonattendance at six consecutive regular meetings of the board.
(b) A director or officer may not be removed or suspended from office until written charges are filed against the director or officer and the director or officer is given an opportunity for a fair hearing before the board.