(1) This section applies if, at any time after the commencement of the section--
(a) an entity ceases to be an airport lessee for airport land; and
(b) another entity has not become the airport lessee for the airport land.
(2) If chapter 3 requires or permits something to be done by an airport lessee in relation to the airport land, the thing may be done by the airport lessor for the airport land.