(1) In this Part, unless the contrary intention appears:
"adopted" , in relation to a child, means adopted:
(a) under the law of a State or a Territory relating to the adoption of children; or
(b) under the law of any other place relating to the adoption of children, if the validity of the adoption would be recognised under the law of any State or any Territory.
"child" : without limiting who is a child of a person for the purposes of this Act, someone is the child of a person if he or she is a child of the person within the meaning of the Family Law Act 1975 .
"parent" : without limiting who is a parent of a person for the purposes of this Act, someone is the parent of a person if the person is his or her child because of the definition of child in this subsection.
"relative" , in relation to a registered member, means any of the following, namely:
(a) a parent or grandparent of the member or of his or her spouse;
(b) a child or other lineal descendant of the member, of his or her spouse or of any other person specified in paragraph (a); and
(c) the spouse of the member or of any other person specified in paragraph (a) or (b).
"spouse" of a person includes a de facto partner of the person within the meaning of the Acts Interpretation Act 1901 .
(2) For the purposes of this Part, Aboriginal Land in respect of which a lease has been granted shall be taken to be used for domestic purposes if, and only if:
(a) in a case where a sub - lease of the land has not been granted, the person or persons who have the benefit of the lease usually reside on the land or intend to begin to usually reside on the land as soon as practicable; or
(b) in a case where a sub - lease of the land has been granted, the person or persons who have the benefit of the sub - lease usually reside on the land or intend to begin to usually reside on the land as soon as practicable.
(3) For the purposes of this Part, Aboriginal Land in respect of which a lease has been granted shall be taken to be used for business purposes if, and only if:
(a) in a case where a sub - lease of the land has not been granted, the person or persons who have the benefit of the lease conduct a business on the land or intend to begin to conduct a business on the land as soon as practicable; or
(b) in a case where a sub - lease of the land has been granted, the person or persons who have the benefit of the sub - lease conduct a business on the land or intend to begin to conduct a business on the land as soon as practicable.
(4) Any relationship referred to in the definition of relative in subsection (1) includes a relationship traced through, or to, a person who is or was an adopted child, and, for that purpose, the relationship between an adopted child and his or her adoptive parent, or each of his or her adoptive parents, shall be deemed to be or to have been the natural relationship of child and parent.
(5) For the purposes of the definition of relative in subsection (1), if one person is the child of another person because of the definition of child in that subsection, relationships traced to or through the person are to be determined on the basis that the person is the child of the other person.