The Principal Act is amended -

(a) in section 2 -

(i) in subsection (1) -

(I) in the definition of "child", by the insertion of the following paragraph after paragraph (b):

"(c) an affected person;", and

(II) by the insertion of the following definitions:

"'affected person' shall be construed in accordance with section 4B(11) of the Succession Act 1965;

'social father', 'social mother' and 'social parent' have the same meaning, respectively, as they have in section 4B(12) of the Succession Act 1965;",

(ii) by the insertion of the following subsection after subsection (1B):

"(1C) Any reference in this Act to 'father', 'mother' or 'parent', respectively, includes a reference to 'social father', 'social mother' or 'social parent', respectively.",

(iii) in subsection (4), by the substitution of "Subject to subsection (10), for the purposes of this Act" for "For the purposes of this Act", and

(iv) by the insertion of the following subsection after subsection (9):

"(10) For the purposes of this Act, the relationship -