35 Ill. Adm. Code 1100.402
Delivery of Permit Application
Section 1100.402 Delivery of Permit Application
All permit applications must be submitted on forms
prescribed by the Agency, and must be mailed or delivered to the address
designated by the Agency on the forms. The Agency must provide a dated, signed
receipt upon request. The Agency's record of the date of filing must be deemed
conclusive unless a contrary date is proved by a dated, signed receipt.