The Minister may, at any time, revoke the appointment of a member if —
(a) the member is incapable for any reason of performing his or her functions as a member;
(b) the member has been absent from 3 consecutive regular meetings of the Board, other than by reason of section 10;
(c) the member fails to disclose his or her interest in accordance with section 21; or
(d) the Minister, on reasonable grounds, thinks it expedient to do so.