Section 157: Issuance of Notices by or on behalf of Commission

(1) Any notice given by the Commission under, or for the purpose of, this Act shall be -
(a) given in writing, under, the seal of the Commission signed by the Executive Vice Chairman or by one or more of the members of the Commission, or by any person purporting to act under the direction of the Commission; and
(b) served in accordance with section 158 of this Act on the person or persons primarily concerned or on any persbn or persons deemed by the Commission to represent the person or persons primarily concerned.
(2) All documents purporting to be signed by or on behalf of the Commission or to be sealed with the seal of the Commission shall, in all courts and in all proceedings under this Act, be deemed to have been so signed or sealed with due authority unless the contrary is established.