Ill. Admin. Code tit. 17, § 135.50
a) The owner or primary operator of a vehicle using the OHV site must register at the site by completing the Department's Registration Form and Release of Liability and Indemnity Agreement (Form) each time they obtain a Usage Permit. Failure to do so is a petty offense, see 20 ILCS 862/38. The form shall include, for all persons that may use or operate the OHV, ATV, or OHM at the site that day, the following information: