6A.—(1) A person born in the island of Ireland shall not be entitled to be an Irish citizen unless a parent of that person has, during the period of 4 years immediately preceding the person's birth, been resident in the island of Ireland for a period of not less than 3 years or periods the aggregate of which is not less than 3 years.

(2) This section does not apply to—

(a) a person born before the commencement of the Irish Nationality and Citizenship Act 2004,

(b) a person born in the island of Ireland—

(i) to parents at least one of whom was at the time of the person's birth an Irish citizen or entitled to be an Irish citizen,

(ii) if the person was born to parents one of whom was deceased at the time of the person's birth and—

(I) the other parent was at that time, or

(II) the deceased parent was, immediately before he or she died,

an Irish citizen or entitled to be an Irish citizen, or

(iii) if the person was born to parents both of whom were deceased at the time of the person's birth, and at least one of whom was, immediately before his or her death, an Irish citizen or entitled to be an Irish citizen,

(c) a person born in the island of Ireland—

(i) to parents at least one of whom was at the time of the person's birth a British citizen or a person entitled to reside in Northern Ireland without any restriction on his or her period of residence,

(ii) if the person was born to parents one of whom was deceased at the time of the person's birth and—

(I) the other parent was at that time, or

(II) the deceased parent was, immediately before he or she died,

a British citizen or a person entitled to reside in Northern Ireland without any restriction on his or her period of residence, or

(iii) if the person was born to parents both of whom were deceased at the time of the person's birth and at least one of whom was, immediately before his or her death, a British citizen or a person entitled to reside in Northern Ireland without any restriction on his or her period of residence,

(d) a person born in the island of Ireland—

(i) to parents at least one of whom was at the time of the person's birth a person entitled to reside in the State without any restriction on his or her period of residence (including in accordance with a permission granted under section 4 of the Act of 2004),

(ii) if the person was born to parents one of whom was deceased at the time of the person's birth and—

(I) the other parent was at that time, or

(II) the deceased parent was, immediately before he or she died,

a person entitled to reside in the State without any restriction on his or her period of residence (including in accordance with a permission granted under section 4 of the Act of 2004), or

(iii) if the person was born to parents both of whom were deceased at the time of the person's birth and one of whom was, immediately before his or her death, a person entitled to reside in the State without any restriction on his or her period of residence (including in accordance with a permission granted under section 4 of the Act of 2004),

or

(e) a person born in the island of Ireland—

(i) neither of whose parents was at the time of the person's birth—

(I) an Irish citizen or entitled to be an Irish citizen,

(II) a British citizen,

(III) a person entitled to reside in the State without any restriction on his or her period of residence (including in accordance with a permission granted under section 4 of the Act of 2004), or

(IV) a person entitled to reside in Northern Ireland without any restriction on his or her period of residence, and

(ii) at least one of whose parents was at that time F15[a person referred to in section 2(1) or section 2(1A) of the Immigration Act 2004].

(3) In this section "British citizen" means a citizen of the United Kingdom of Great Britain and Northern Ireland.]