Are you printing and mailing your Illinois return?
If you are sending your return without a payment, mail your return to:
ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19041
SPRINGFIELD IL 62794-9041
If you are sending a payment with your return, mail your return to:
ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19027
SPRINGFIELD IL 62794-9027
For more information, please see this webpage.
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