(1) The Commonwealth must not grant a lease of the whole or a part of an airport site to a person who already holds an airport lease or an interest in an airport lease, unless each of those leases relates to the same airport site.
(2) The Minister must not approve the transfer of a lease of the whole or a part of an airport site to a person who already holds an airport lease or an interest in an airport lease, unless each of those leases relates to the same airport site.
(3) If a purported grant or approval contravenes this section, it is of no effect.