(a) on dissolution of the House of Assembly;
(b) if he or she informs the House of Assembly, by writing under his or her hand addressed to the House and received by the Clerk of the House, that he or she resigns his or her office;
(c)
(i) in any circumstances which, in the case of the Speaker, would cause him or her to vacate his or her seat if he or she were an appointed member; or
(ii) in the case of the Deputy Speaker, if he or she ceases to be a member of the House of Assembly;
(d) if on the date of his or her election as Speaker or Deputy Speaker he or she is a party to, or a partner in a firm or a director or manager of a company which is a party to, any contract with the Government, or if on any date after such election he or she or a firm in which he or she is a partner or a company of which he or she is a director or manager becomes a party to any such contract, or if he or she becomes a partner in a firm or a director or manager of a company which is a party to any such contract, and he or she does not, before the expiration of thirty days from the date in question, disclose to the House of Assembly or, if that is impracticable, to the Clerk of the House in writing, the nature of such contract and his or her interest, or the interest of such firm or company, in it and the House does not exempt him or her from vacating his or her office under this paragraph;
(e) if he or she becomes a member of the Cabinet; or
(f) on the passing, by the votes of two-thirds of the elected and appointed members, of a motion expressing no confidence in him or her as Speaker or Deputy Speaker, as the case may be.