16Certain relationships

16  Certain relationships  (1) For the purposes of paragraph 15(2)(a), if one person is the child of another person because of:  (a) adoption; or  (b) the definition of child in this Act; relationships traced to or through the person are to be determined on the basis that the person is the child of the other person.  (2) For the purposes of paragraphs 215(f) and 218(g), the relatives of a person are taken to include the following (without limitation):  (a) a partner of the person;  (b) a stepchild or an adopted child of the person, or someone of whom the person is a stepchild or an adopted child;  (c) someone who is a child of the person, or someone of whom the person is a child, because of the definition of child in this Act;  (d) anyone else who would be a relative of the person if someone mentioned in paragraph (a), (b) or (c) is taken to be a relative of the person.