The office of a member of the Board is vacated —
(a) upon the death of the member;
(b) if the member becomes disqualified pursuant to section 4(4);
(c) if the member resigns from membership pursuant to section 17;
(d) if Cabinet revokes the appointment of that member pursuant to section 18;
(e) if the member's appointment is not renewed by Cabinet as of the date of expiry of the member's term of appointment; or
(f) if the member fails to attend 3 consecutive meetings of the Board without presenting a medical certificate or without being excused by Cabinet in writing.