Interpretation Act 1978

[F1In relation to England and Wales—

(a)references (however expressed) to any relationship between two persons;

(b)references to a person whose father and mother were or were not married to [F2, or civil partners of,] each other at the time of his birth; and

(c)references cognate with references falling within paragraph (b) above,

shall be construed in accordance with section 1 of the Family Law Reform Act 1987. [The date of the coming into force of that section]]