Ind. Code § 5-1.3-6-15

Sec. 15. The IFA or the NWIRDA may enter into agreements with an entity to provide credit enhancement or liquidity support for any bonds or notes issued by the IFA or the NWIRDA, or for any debt service reserves securing any bonds or notes, with terms that are reasonable and proper, in the discretion of the IFA or the NWIRDA, and not in violation of law. The IFA or the NWIRDA may execute and deliver notes to evidence its obligation to make payments under such an agreement, but these notes must conform to this article in all respects.