Indiana Code Title 13. Environment § 13-20-21-10

Sec. 10.  (a) In addition to the penalties described under:

if a person does not remit a solid waste annual operation fee or an installment established by the department under IC 13-16-2 to the department not more than sixty (60) days after the date the fee is assessed or not more than thirty (30) days after the date the installment is due, the person shall be assessed a delinquency charge equal to ten percent (10%) of the solid waste annual operation fee or ten percent (10%) of the installment, whichever is applicable.  A delinquency charge is due and payable sixty (60) days after the date the solid waste annual operation fee is assessed or thirty (30) days after the date an installment is due.

(b) If a person does not remit a solid waste annual operation fee or an installment established by the department under IC 13-16-2 and any applicable delinquency charge not more than ninety (90) days after the date the solid waste annual operation fee is assessed or not more than sixty (60) days after the date the installment is due, the department may revoke the person's permit.  However, before the department may revoke the permit:

the department must deliver a written notice to the person that describes what fees and delinquency charges are due and indicates that the department may revoke the person's permit for nonpayment after thirty (30) days.