(1) For the purposes of paragraph 5(a), Infrastructure Australia has the function of conducting audits to determine the adequacy, capacity and condition of nationally significant infrastructure, taking into account:
(a) forecast economic and population growth; and
(b) economic, social and environmental sustainability; and
(c) Australia's greenhouse gas emissions reduction targets.
(2) An audit must be prepared under this section at such intervals as the Commissioners determine.
(3) In performing this function, Infrastructure Australia may consider State, Territory or local government reports on the adequacy, capacity and condition of nationally significant infrastructure.
(4) Infrastructure Australia must cause a copy of an audit prepared under this section to be tabled in each House of the Parliament within 10 sitting days of that House after the audit is finalised.