Ind. Code § 5-1-16-26
The authority, subject to such agreements with holders of the bonds as then exist, may purchase bonds of the authority out of any available funds, which shall thereupon be cancelled, at any reasonable price which, if the bonds are then redeemable, does not exceed the redemption price then applicable plus accrued interest to the next interest payment date thereon.
As added by P.L.45-1983, SEC.1.