(a) The ordinance authorizing the issuance of bonds under this subchapter may:
(1) provide for the flow of funds and the establishment and maintenance of an interest and sinking fund, reserve fund, or other fund;
(2) make additional covenants relating to the bonds and pledged revenue and the operation and maintenance of the improvement or facility the revenue of which is pledged, including providing for the operation or lease of all or part of the improvement or facility and the use or pledge of money derived from operation contracts and leases; or
(3) provide that the municipality will pay all or certain costs of operating and maintaining the airport from the proceeds of a tax imposed under Section 1503.003.
(b) The ordinance may:
(1) prohibit the further issuance of additional bonds or other obligations payable from the pledged revenue; or
(2) reserve the right to issue additional bonds secured by a pledge of and payable from the revenue on a parity with, or subordinate to, the lien and pledge in support of the bonds being issued, subject to any condition provided by the ordinance.
(c) The ordinance may contain other provisions and covenants.