(1) This Part applies to:
(a) a core regulated airport, where the site of the airport is a Commonwealth place; and
(b) an airport specified in the regulations, where the site of the airport is a Commonwealth place; and
(c) an airport specified in the regulations, where the site of the airport is not a Commonwealth place.
(2) For the purposes of subsection (1), the boundaries of the site of an airport are to be ascertained in accordance with the regulations.