(2) For the purposes of this Act, but without limiting the generality of the expression associate :
(a) a company that is related to another company shall be deemed to be an associate of that other company;
(b) the Commonwealth shall be deemed to be an associate of each authority of the Commonwealth;
(c) an authority of the Commonwealth shall be deemed an associate of each other authority of the Commonwealth;
(d) a State shall be deemed to be an associate of each authority of the State;
(e) an authority of a State shall be deemed to be an associate of each other authority of the State;
(f) a Territory shall be deemed to be an associate of each authority of the Territory; and
(g) an authority of a Territory shall be deemed to be an associate of each other authority of the Territory.
(3) Where a person is an associate of another person by virtue of paragraph (2)(b), (c), (d), (e), (f) or (g), Part III has effect as if those persons were companies and were related to each other.
(4) For the purposes of this Act, section 318 of the Income Tax Assessment Act 1936 has effect as if "a partnership in which the primary entity is a partner" were omitted from paragraphs (1)(b) and (2)(a) of that section and "a partnership in which the primary entity is or was a partner (whether or not the partnership still exists)" were substituted.