 Jersey belongs to the Common Travel Area and the definition of "United Kingdom" in the British Nationality Act 1981 is interpreted as including the UK and the Islands together.For immigration and nationality purposes, the United Kingdom generally treats Jersey as though it were part of the UK.Jersey is constitutionally entitled to restrict immigration by non-Jersey residents, but control of immigration at the point
of entry cannot be introduced for British, certain Commonwealth and EEA nationals
without change to existing international law.