Indiana Code Title 36. Local Government § 36-7-30-21

Sec. 21. (a) Notwithstanding any other law, the legislative body may pledge revenues received or to be received by the unit from:

in any amount to pay amounts payable under section 18 or 19 of this chapter.

(b) The legislative body may covenant to adopt an ordinance to increase revenues at the time it is necessary to raise funds to pay any amounts payable under section 18 or 19 of this chapter.

(c) The reuse authority may pledge revenues received or to be received from any source legally available to the reuse authority for the purposes of this chapter in any amount to pay amounts payable under section 18 or 19 of this chapter.

(d) The pledge or covenant under this section may be for the term of the bonds issued under section 18 of this chapter, the term of a lease entered into under section 19 of this chapter, or for a shorter period as determined by the legislative body.  Money pledged by the legislative body under this section shall be considered revenues or other money available to the reuse authority under sections 18 through 19 of this chapter.

(e) The general assembly covenants not to impair this pledge or covenant as long as any bonds issued under section 18 of this chapter are outstanding or as long as any lease entered into under section 19 of this chapter is still in effect.  The pledge or covenant shall be enforced as provided in IC 5-1-14-4.