Rick, you'll want to review the IN Code.
IC 24-4.5-3-210
SEC. 210. Rebate upon Prepayment.
(1) Except as provided in subsection (2), upon prepayment-in-full of the unpaid balance of a precomputed consumer loan, refinancing, or consolidation, an amount not less than the unearned portion of the loan finance charge calculated according to this section shall be rebated to the debtor. If the rebate otherwise required is less than one dollar ($1), no rebate need be made.
(2) Upon prepayment-in-full of a consumer loan, refinancing, or consolidation, other than one (1) under a revolving loan account, if the loan finance charge earned is less than any permitted minimum loan finance charge ( IC 24-4.5-3-201(6) or IC 24-4.5-3-508(7)) contracted for, whether or not the consumer loan, refinancing, or consolidation is precomputed, the lender may collect or retain the minimum loan finance charge, as if earned, not exceeding the loan finance charge contracted for.
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The opinions expressed are mine and they are not to be taken as legal advice.