Subject to this Act, the Commission may make rules regarding—
(a) the sitting of the Commission;
(b) the manner of dealing with matters and business before the Commission generally, including the practice and procedure before the Commission;
(c) the apportionment of the work of the Commission among its members and the assignment of members to review complaints referred to the Commission; and
(d) generally for the performance of the duties and functions of the Commission under this Act .