(1) The function of an ISAC is to make recommendations to an Agency Head about the suitability of candidates for:
(a) engagement connected with employment in the Agency; or
(b) promotion to employment in the Agency; or
(c) assignment to duties in connection with employment in the Agency.
(2) The employment must be at a classification mentioned in any of Groups 1 to 6 set out in Schedule 1 to the Classification Rules.