Skip to main content

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 https://tax.illinois.gov.

Employment Sign Up for Updates

IDOR Offers Guidance on Amending State Tax Returns

News – Tuesday, June 3, 2025

The Illinois Department of Revenue (IDOR) is reminding taxpayers that if they discover an error on a previously filed state income tax return—such as a miscalculation, a missed deduction, or unreported income—they are required to file an amended return to correct the mistake.

For the full Press Release, see Illinois Department of Revenue Offers Guidance on Amending State Tax Returns.

Footer

About IDOR

Quick Links

Related Sites