The appointment of a person to a Ministerial office takes effect on the day specified in the instrument of appointment and terminates when:
(a) he or she ceases, by reason of his or her resignation or by reason of the provisions of section 21, to be a member of the Legislative Assembly;
(b) his or her appointment is terminated by the Administrator;
(c) he or she resigns his or her office by writing signed by him or her and delivered to the Administrator and the resignation is accepted by the Administrator; or
(d) the Legislative Assembly first meets after a general election of the Legislative Assembly that takes place after the appointment takes effect.