allegiance australia australian nationality law barbados nationality law belonger status british empire british nationality selection scheme british overseas territories citizen british overseas citizen british nationality law british nationality law and hong kong british nationality law and the republic of ireland british protected person canada canadian nationality law common travel area commonwealth citizen commonwealth of nations court of exchequer chamber diplomatic immunity dominion elizabeth ii of the united kingdom england history of british nationality law history of canadian nationality law indefinite leave to remain india indian nationality law irish free state malaysian citizenship maltese nationality law new zealand new zealand nationality law pakistan parliament of the united kingdom protectorate republic of ireland samoan nationality law singaporean nationality law south africa south african nationality law tongan nationality law uk ancestry entry clearance united kingdom national