Indiana Code Title 5. State and Local Administration § 5-1-7-1

Sec. 1. Whenever the bond fund of any county or of any township in this state is, for any reason, insufficient to pay the bonds of such county or township or any of them, at the date of the maturity thereof, together with the interest which shall have accrued thereon, the board of commissioners of such county is hereby authorized to represent and as representing the taxing district liable for the payment of any such bond to enter into a contract with the owner of any such bond to pay such matured bond by the issuance of a redemption bond, in the same amount and at any rate of interest and to pay such redemption bond and the accrued interest thereon, in not more than ten (10) annual installments, in the manner and subject to the conditions prescribed in this chapter.