(1)This section applies for the purposes of section 66.
(2)A person satisfies the citizenship condition if the person is—
(a)a qualifying Commonwealth citizen,
(b)a citizen of the Republic of Ireland, or
(c)a citizen of the Union.
(3)For the purposes of this section, a person is a qualifying Commonwealth citizen if the person is a Commonwealth citizen and—
(a)is not a person who requires leave under the Immigration Act 1971 to enter or remain in the United Kingdom, or
(b)is a person who requires such leave but for the time being has (or is, by virtue of any enactment, to be treated as having) indefinite leave to remain within the meaning of that Act.
(4)But a person who does not require leave to enter or remain in the United Kingdom by virtue only of section 8 of the Immigration Act 1971 (exceptions to requirement for leave in special cases) is not a qualifying Commonwealth citizen by virtue of subsection (3)(a).
(5)In this section the expression “citizen of the Union” is to be construed in accordance with Article 20(1) of the Treaty on the Functioning of the European Union.