Clause 4

The Minister may, by notification in the Gazette, appoint any person or persons by name or by office to be the competent authority or authorities for the purposes of all or any of the provisions of this Act.

Where the holder of a designated office has been appointed to be the competent authority, then, unless express provision is made to the contrary, the appointment shall be deemed to extend to the person for the time being performing the duties of the office designated.