Naturalisation form R.1 (with instructions R.1), British Nationality Act, 1948, section 6(1); Commonwealth Immigrants Act, 1962, section 12(2); South Africa Act, 1962, section 1 : application for registration as a citizen of the United Kingdom and colonies under section 6(1) of the act of 1948, as amended by section 12(2) of the Commonwealth Immigrants Act, 1962, and applied by section 1 of the South Africa Act, 1962 made by and adult British subject, citizen of the Republic of Ireland or citizen of the Republic of South Africa on the ground of ordinary residence in the United Kingdom or in any of the Channel Islands, the Isle of Man, a colony, a protectorate or the protected state of Brunei, or on the ground of service under Her Majesty's Government in the United Kingdom.
Great Britain.Home Office,issuing body.
Great Britain.Her Majesty's Stationery Office.