15. The Minister shall terminate the appointment of an appointed member or of an alternate of an appointed member if—
(a) in the case of a member—he or she is absent, without the approval of the Chairperson, from 3 consecutive meetings of the Board;
(b) in the case of an alternate—he or she is absent, without the approval of the Chairperson, from 3 consecutive meetings of the Board in which he or she is eligible to participate;
(c) the member or alternate fails, without reasonable excuse, to comply with section 13; or
(d) the member or alternate is convicted, in Australia or elsewhere, of an offence punishable by imprisonment for 1 year or longer.