Indiana Code Title 5. State and Local Administration § 5-20-2-14

Sec. 14. All bonds and interim receipts or certificates, proceeds received by a holder from the sale of them to the extent of the holder's cost of acquisition, proceeds received upon redemption prior to maturity, proceeds received at maturity, and interest thereon, are exempt from taxation in the state of Indiana for all purposes except the financial institutions tax imposed under IC 6-5.5.