Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 404 - STATE PERMITS
Section 404.106 - Permit Applications: Registered or Certified Mail or Hand Delivery Required

a) All State permit applications must be mailed or delivered to the appropriate address designated by the Agency. Any application or revised application sent by mail must be sent by registered or certified mail, return receipt requested.

b) Any application or revised application hand delivered to the Agency must be delivered to an authorized employee of the Agency's permit section or the Agency's Mine Pollution Control Program, and the authorized employee must provide the applicant with a delivery receipt.