Indiana Code Title 13. Environment § 13-21-12-8

Sec. 8. (a) This article constitutes full authority for the issuance of bonds.  No procedure, proceedings, publications, notices, consents, approvals, orders, acts, or things by a board, officer, commission, department, agency, or instrumentality of the state is required to issue bonds or to do any act or perform anything under this article except as prescribed by this article.

(b) The:

the powers conferred by any other statute.