4U.K.Notwithstanding anything in section 1(3) of this Act, it shall not be lawful for a person who is not [F1a British citizen] [F2or an Irish citizen] to enter the United Kingdom from any of the Islands where his presence was unlawful under the immigration laws of that island, unless he is given leave to enter.
Textual Amendments
F1Words substituted by British Nationality Act 1981 (c. 61), s. 52(7), Sch. 4 para. 2 (with Sch. 8 para. 8)
F2Words in Sch. 4 para. 4 inserted (31.12.2020 immediately before IP completion day) by Immigration and Social Security Co-ordination (EU Withdrawal) Act 2020 (c. 20), ss. 2(4)(b), 9(1) (with s. 4(2)); S.I. 2020/1279, reg. 3 (with saving in S.I. 2020/1309, regs. 1(2), 84, Sch. 5 para. 10)