Where to Send Electronic Returns

Section 105 Section 105.120  Where to Send Electronic Returns a)         Electronic IL-1040 returns will be transmitted to the communications processor at the Illinois Department of Revenue in Springfield, Illinois.  The  telephone number will be provided to accepted transmitters  as the taxpayer signature in lieu of the signature on Form IL-8453.  No paper Form IL-8453 is required to be completed for an on-line return. b)         When requested, Forms IL-8453 and attachments for accepted electronic IL-1040 returns must be mailed to: Regular Mail or Overnight Mail Illinois Dept. of Revenue Illinois Dept. of Revenue Exception Processing Division Exceptions  Processing P.O. Box 19479 Division Mail Code 2-221 Springfield IL 62794-9479 101 W. Jefferson St. Springfield IL 62702