may enter into a lease of an airport project with a lessor for a term not to exceed fifty (50) years and the lease may provide for payments to be made by the airport authority from property taxes levied under IC 8-22-3-17, taxes allocated under IC 8-22-3.5-9, any other revenues available to the airport authority, or any combination of these sources.
However, if the lease is payable in whole or in part from tax levies and an appeal has been taken to the department of local government finance, an action to contest the validity or enjoin the performance must be brought within thirty (30) days after the decision of the department of local government finance.
IC 8-22-3.6-3