92 Ill. Adm. Code 454.320
Enforcement
Section 454
Section 454.320 Enforcement
a) The Department upon its own initiative or upon verified
complaint of any person may require the operator of an Official Testing Station
to appear at a hearing and prove that the rates or charges so filed with the
Department are just and reasonable.
b) The procedure in Sections 454.500-454.560 shall govern the
proceedings under paragraph (a) of this Section.