5.—(1) For the purposes of the Act, each place set out in the first column of Part I of the Fourth Schedule shall, for the hours set out in the second column thereof, be an immigration control post and an authorised point of entry and an authorised point of departure for any person arriving in or leaving Singapore by road.
(2) For the purposes of the Act, each place set out in the first column of Part II of the Fourth Schedule shall, for the hours set out in the third column thereof, be an immigration control post and an authorised point of entry and an authorised point of departure for the separate and exclusive immigration clearance of the particular person or class of persons arriving in or leaving Singapore by road specified in the second column thereof.