6Registration of citizens of countries mentioned in s. 1 (3) or of Eire and wives of citizens of the United Kingdom and Colonies
(1)Subject to the provisions of subsection (3) of this section, a citizen of any country mentioned in subsection (3) of section one of this Act or a citizen of Eire, being a person of full age and capacity, shall be entitled, on making application therefor to the Secretary of State in the prescribed manner, to be registered as a citizen of the United Kingdom and Colonies if he satisfies the Secretary of State either—
(a)that he is ordinarily resident in the United Kingdom and has been so resident throughout the period of twelve months, or such shorter period as the Secretary of State may in the special circumstances of any particular case accept, immediately preceding his application ; or
(b)that he is in Crown service under His Majesty's government in the United Kingdom.
(2)Subject to the provisions of subsection (3) of this section, a woman who has been married to a citizen of the United Kingdom and Colonies shall be entitled, on making application therefor to the Secretary of State in the prescribed manner, and, if she is a British protected person or an alien, on taking an oath of allegiance in the form specified in the First Schedule to this Act, to be registered as a citizen of the United Kingdom and Colonies, whether or not she is of full age and capacity.
(3)A person who has renounced, or has been deprived of, citizenship of the United Kingdom and Colonies under this Act shall not be entitled to be registered as a citizen thereof under this section, but may be so registered with the approval of the Secretary of State.