Indiana Code Title 36. Local Government § 36-9-29.1-13

Sec. 13. (a) All proceeds from the sale of bonds under section 12 of this chapter shall be kept as a separate and specific fund, to pay the cost of land, rights-of-way, and other property acquired and of construction of the work under the resolution, and all costs and expenses incurred in connection with these things, and no part of the proceeds may be used for any other purpose.

(b) The fund shall be deposited at interest with the depository or depositories of other public funds in the consolidated city, and all interest collected on it belongs to the fund.

(c) Any surplus remaining out of the proceeds of the bonds, after all of the costs and expenses are fully paid, shall be paid into and becomes a part of the flood control district bond fund.