Contact Illinois directly to confirm that the state tax return is received and approved.
I am assuming you had entered the 8 digit IL-PIN to electronically file. If you did not, see: Illinois Department of Revenue IL-PIN information Page.
To contact Illinois Revenue call: 800-732-8866 or 217-782-3336 Monday through Friday, 8 AM - 5 PM.
For more contact information, see: Illinois Department of Revenue Contact Us.
