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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit tax.illinois.gov.

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How do I correct an error on my electronically filed Form IL-1040 return?

You must file a paper Form IL-1040-X, Amended Individual Income Tax Return to correct any errors on your electronically filed Form IL-1040 return. 

If you are filing Form IL-1040-X due to a federal change, do not file until you receive notification from the IRS showing it was accepted. For more information, refer to the  Form IL-1040-X Instructions.

You may access additional information by searching the entire Illinois Department of Revenue website.

If you have additional inquiries, you may submit them on the Questions, Comments, or Requests form.