Section 5 of the 1949 Act conferred Citizenship of the UK and Colonies (CUKC) on any Irish-born person meeting all the following criteria:[REF] .
Separate to nationality law, the 1949 Act also provided that "citizens of the Republic of Ireland" (the British nomenclature adopted under the Act) would continue to be treated on a par with those from Commonwealth countries and would not be treated as aliens.