Ill. Admin. Code tit. 35, pt. 168

Procedures for Contested Case Hearings

AUTHORITY: Implementing and authorized by Sections 4, 22(b), 39(f), 39(i) and 39.3(e) of the Environmental Protection Act [415 ILCS 5/4, 22(b), 39(f), 39(i), and 39.3(e)]. SOURCE: Adopted and codified at 8 Ill. Reg. 6693, effective June 1, 1984; amended at 50 Ill. Reg. 270, effective December 23, 2025.ENVIRONMENTAL PROTECTION AGENCY

168.101Purpose 168.102Applicability 168.103Definitions 168.200Commencement of an Action 168.205Notice of Contested Case Hearing 168.210Appearances and Representation 168.215Form of Documents 168.220Filing of Documents 168.225Service of Documents and Proof of Service 168.230Intervention 168.235Motions 168.240Computation of Time 168.245Pre-Hearing Conferences 168.250Discovery 168.255Admissions 168.260Authority of Hearing Officer 168.265Conduct of the Hearing 168.266Burden of Proof 168.267Order of the Hearing 168.270Rules of Evidence 168.275Testimony and Cross-Examination of Witnesses 168.280Official Notice 168.285Records in Other Proceedings 168.290Documentary Evidence 168.295Exhibits 168.300Consolidation 168.305Transcript of Hearing 168.310Proposed Findings of Fact and Conclusions of Law 168.315Proposal for Decision 168.320Contested Case Record 168.325Decision in Contested Case 168.400Sanctions 168.405Ex Parte Communication 168.410Severability