Indiana Code Title 8. Utilities and Transportation § 8-14-1-9

(1) that a written agreement between the parties authorizes the mandatory transfer of funds as provided in subsection (a);

(2) that the owing party was notified in writing of the amount owed;

(3) that the payment is more than sixty (60) days past due;

(4) the names of the parties;  and

(5) the amount of the payment due.

(1) immediately notify the delinquent party of the claim;  and

(2) if proof of payment is not furnished to the state comptroller within thirty (30) days after the delinquent party has been notified, transfer the unpaid amount from the delinquent party's allocations from the motor vehicle highway account to the other party.  Transfers shall be made until the unpaid amount has been paid in full under the terms of the agreement.