IC 6-8.1-10-3.5: Failure to file return; penalty for past due returns

Sec. 3.5. If a person fails to file a return on or before the due date as required by IC 6-3-4-1(1) or IC 6-3-4-1(2), where no remittance is due with the return, the person is subject to a penalty of ten dollars ($10) per day for each day that the return is past due, up to a maximum of five hundred dollars ($500).