(1) The Commonwealth must not grant a lease of the whole or a part of an airport site to a person if another person already holds an airport lease for the airport.
(1A) If there are 2 or more airport leases for the same airport site, the Minister must not approve the transfer of any of those leases unless the Minister is satisfied that, immediately after the transfer of that lease, all of those leases will be held by the same person.
(2) If a purported grant or approval contravenes this section, it is of no effect.