 Under Elected Authorities (Northern Ireland) Act 1989, local electors in Northern Ireland were either Commonwealth citizens or citizens of the Republic of Ireland, the Representation of the People Act 2000 replaced that section by "a Commonwealth citizen, a citizen of the Republic of Ireland or a relevant citizen of the Union".The Representation of the People Act 2000 also introduced a new system of electoral registration, with 2 electoral registers, one for parliamentary elections, one for local elections