Ill. Admin. Code tit. 35, § 270.607 – Requests for Reconsideration of Fee Amount

a) Requests for reconsideration of the fee amount indicated on a source's billing statement shall be submitted in writing no later than 30 days after issuance of the billing statement.
b) Requests for reconsideration shall include all pertinent facts and arguments in support thereof. Such requests shall be addressed to:
Illinois Environmental Protection Agency
Bureau of Air, Program and Budget Officer
P.O. Box 19276
Springfield, Illinois 62794-9276
c) The submittal of a written request for reconsideration of the billed fee amount shall automatically stay the due date of payment to a date thirty (30) days subsequent to final Agency action on the request for reconsideration.