(1) Any notice or other document required or authorised by any provision of this Act to be served on any person may be served on him or her either by delivering it to him or her or by leaving it at his or her proper address or by sending it by post.
(2) Any notice or other document so required or authorised to be served on a body corporate shall be duly served if it is served on the secretary or clerk of that body.
(3) For the purposes of this section the proper address of any person shall, in the case of the secretary or clerk of a body corporate, be that of the registered or principal office of that body, and in any other case shall be the last address of the person to be served which is known to the Minister.