(1) This Act does not, by implication, limit the application of the Competition and Consumer Act 2010 .
(2) For the purposes of section 50 of the Competition and Consumer Act 2010 , if:
(a) a person directly or indirectly acquires shares in either or both of the following:
(i) the airport - lessee company for Sydney (Kingsford - Smith) Airport;
(ii) the airport - lessee company for Sydney West Airport; and
(b) the acquisition has the effect that those companies become subsidiaries of another company;
that effect, when considered in isolation from any other effect of the acquisition, does not, and is not likely to, substantially lessen competition in any market.
(3) For the purposes of subsection (2), a company (the subsidiary company ) is taken to be a subsidiary of another company (the holding company ) if, and only if, all the shares in the subsidiary company are beneficially owned by the holding company.