then the commission shall issue an order approving the project and the participation of the municipality or municipalities or joint agency in the project and the issuance of bonds by the municipality or municipalities or by the joint agency. For the purpose of enabling it to determine whether it should issue such an order, the commission shall make such inquiry or investigation, hold such hearings, and examine such witnesses, books, papers, documents, or contracts as it may deem of importance in enabling it to reach a determination. The determinations required by this subsection are in addition to the requirements of IC 8-1-8.5-4 and IC 8-1-8.5-5.
IC 8-1-2.2-19