The Immigration Act 1971 is amended as follows.
After section 3 insert—
In section 9 (further provisions about the common travel area)—
in subsection (2), in the closing words, after "British citizens" insert ;" or Irish citizens "
in subsection (4), in the opening words, after "British citizen" insert ." or an Irish citizen "
In Schedule 4 (integration with UK law of immigration law of the Islands)—
in paragraph 1, in sub-paragraphs (1) and (2), after "British citizen" insert ;" or an Irish citizen "
in paragraph 4, after "British citizen" insert ." or an Irish citizen "