Commonwealth Numbered Acts Commonwealth Numbered Acts(1) This section applies:
(a) in relation to a thing done by a person before the commencement of this section:
(i) in the purported performance of any function; or
(ii) in the purported exercise of any power;
of an authorised person under a provision of the Airports (Control of On‑Airport Activities) Regulations 1997 (other than regulation 145 as it applies because of section 3); and
(b) to the extent that the doing of the thing would, apart from this section, be invalid or ineffective because the person was not appointed, or was not validly appointed, as an authorised person for the purpose of the provision.
(2) Subject to subsection (3), the thing done is as valid and effective, and is taken always to have been as valid and effective, as it would have been if the person who did it was validly appointed as an authorised person for the purpose of the provision concerned.
(3) This section does not affect rights or liabilities arising between parties to proceedings heard and finally determined by a court on or before the commencement of this section, to the extent that those rights or liabilities arose from, or were affected by, a thing done by a person as described in subsection (1).