Where the Commissioner is of the opinion, on reasonable grounds, that a member:
(a) is not fit to discharge, suited to perform or capable of efficiently performing, the duties the member is employed to perform;
(b) because of circumstances beyond the member's control, is not performing those duties efficiently or satisfactorily; or
(c) is not qualified for the efficient and satisfactory performance of those duties,
the Commissioner shall, by notice in writing, advise the member of the Commissioner's opinion and the grounds on which the Commissioner has formed the opinion, and invite the member, within 14 days, to indicate in writing whether the member agrees with the Commissioner's opinion or to explain in writing any matter referred to in the notice.