625 ILCS 5/15-314
The Department shall prescribe the time and method of payment of all appropriate fees authorized by Section 15-302 through 15-313.
The Department may, at its discretion, establish credit accounts with billing to be made at intervals not exceeding one month.
Failure to pay invoices in full within a period of 30 days after the billing date shall be sufficient cause for the Department to withhold issuance of any further permits or credit to the individual, company, or subsidiary firm.
The Department is authorized to charge a service fee of $3 for a dishonored payment returned for any reason. All money received by the Department under the provisions of this Section shall be deposited in the Road Fund. No refund shall be made to applicant following issuance of a permit if move is not completed.
625 ILCS 5/15-314