(1) Subject to this Act, the Head of the Physical Planning and Development Division shall be responsible for carrying out the statutory duties and exercising the statutory powers created by this Act and any statutory instrument made hereunder and shall be answerable therefor to the Minister.
(2) The Head of the Physical Planning and Development Division shall sign and issue all notices granting or refusing permission for the development of land, enforcement notices, stop notices and other documents authorised to be issued under the provisions of this Act.
(3) Where by this Act or any statutory instrument made hereunder the Head of the Physical Planning and Development Division is required or permitted or otherwise authorised to perform any function, that function may be performed by any other person who is authorised by the Head of the Physical Planning and Development Division in writing to perform those functions.