Indiana Code Title 5. State and Local Administration § 5-1-5-2

Sec. 2. (a) The governing body of any issuing body may by ordinance provide for the issuance of bonds to refund outstanding bonds issued at any time by such issuing body or its predecessor, and to pay redemption premiums and costs of refunding to effect a saving to the issuing body.  Issuance of bonds to refund outstanding bonds may also be made in order to pay or discharge all or any part of such outstanding series or issue of bond, including any interest thereon, in arrears or about to become due and for which sufficient funds are not available or to modify restrictive covenants in outstanding bonds impeding additional financing.  To determine whether or not a savings will be effected, consideration shall be given to the estimated or known interest payable to the fixed maturities of the refunding bonds, the interest payable on the bonds to be refunded, the costs of issuance of the refunding bonds, including any sale discount, the redemption premiums, if any, to be paid, and the probable earned income from the investment of the refunding bond proceeds pending redemption of the bonds to be refunded.

(b) The provisions of subsection (a) requiring a savings to be effected do not apply to: