In relation to the giving or refusing of leave to enter by the Secretary of State under article 2, paragraphs 2 (examination by immigration officers, and medical examination)3, 4 (information and documents)4, 7(1), (3) and (4) (power to require medical examination after entry)5, 8 (removal of persons refused leave to enter)6, 9 (removal of illegal entrants) and 21 (temporary admission of persons liable to detention)7 of Schedule 2 to the 1971 Act shall be read as if references to an immigration officer included references to the Secretary of State.