58Interpretation of Part 2U.K.
(1)In this Part “enactment” means an enactment contained in, or in an instrument made under—
(a)an Act of Parliament,
(b)an Act of the Scottish Parliament,
(c)a Measure or Act of the National Assembly for Wales, or
(d)Northern Ireland legislation.
(2)For the purposes of this Part, two persons are within prohibited degrees of relationship if one is the other's parent, grandparent, sister, brother, aunt or uncle; and in this subsection references to relationships—
(a)are to relationships of the full blood or half blood or, in the case of an adopted person, such of those relationships as would subsist but for adoption, and
(b)include the relationship of a child with his adoptive, or former adoptive, parents,
but do not include any other adoptive relationships.
(3)Other expressions used in this Part and in the 1990 Act have the same meaning in this Part as in that Act.