(a) The governing body of a local government may impose and collect charges for the use or availability of a facility authorized by this chapter.
(b) A local government shall impose and collect pledged charges in an amount that will be at least sufficient, with any other pledged resources, to provide for the payment of:
(1) the principal of, interest on, and any other amounts required in connection with the bonds; and
(2) to the extent required by the bond authorization:
(A) expenses incurred in connection with the bonds; and
(B) operation, maintenance, and other expenses incurred in connection with the facility.