Ill. Admin. Code tit. 92, § 3000.1130
b) If any person refuses to permit the representative to make an inspection or examination in accordance with Section 107.307(a), the representative shall terminate the inspection or confine the inspection to areas concerning which no objection is raised. The representative shall endeavor to ascertain the reason for such refusal and shall immediately report the matter to the Director. If the Director desires to have an inspection and examination conducted, he may refer the matter to the Department's Office of Chief Counsel to take appropriate action, including compulsory process, if necessary.
(Recodified from 92 Ill. Adm. Code 107 (Department of Transportation) pursuant to P.A. 104-0025, at 49 Ill. Reg. 12509)