(1) Schedule 7 (port and border controls) shall have effect.
(2) The Secretary of State may by order repeal paragraph 16 of Schedule 7.
(3) The powers conferred by Schedule 7 shall be exercisable notwithstanding the rights conferred by section 1 of the Immigration Act 1971 [1971 c. 77.] (general principles regulating entry into and staying in the United Kingdom).