(1) For the purposes of this Act, a person is a responsible parent in relation to a child if and only if:
(a) the person is a parent of the child except where, because of orders made under the Family Law Act 1975 , the person no longer has any parental responsibility for the child; or
(b) the person (whether or not a parent of the child) has a residence order in relation to the child; or
(c) the person (whether or not a parent of the child) has a specific issues order in relation to the child under which the person is responsible for the child's long‑term or day‑to‑day care, welfare and development; or
(d) the person (whether or not a parent of the child) has guardianship or custody of the child, jointly or otherwise, under an Australian law or a foreign law, whether because of adoption, operation of law, an order of a court or otherwise.
(2) Expressions used in paragraphs (1)(a), (b) and (c) have the same meaning as in the Family Law Act 1975 .