18(1)The interim executive members vacate office—
(a)in a case where paragraph 16 applies, on the discontinuance date within the meaning of that paragraph,
(b)in a case where that paragraph does not apply and the notice under section 65(1) or 69(1) specified the duration of the interim period, at the end of the specified period, and
(c)in any case, on the date specified under paragraph 17(1).
(2)Sub-paragraph (1) does not prevent the termination of the appointment of an interim executive member at any earlier time under paragraph 5(2)(b) or in accordance with the terms of his appointment.