4. The CFSMS shall consist of—
(a)a chairman;
(b)not less than five and not more than seven members who are not officers of the CFSMS in addition to the chairman;
(c)the persons who for the time being hold the office of Chief Executive and Deputy Chief Executive of the CFSMS; and
(d)not less than three and not more than five members who are officers of the CFSMS.