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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 https://tax.illinois.gov.

Employment Sign Up for Updates

AH-4

Use this form to file an official protest with the Illinois Department of Revenue and request an administrative hearing in response to any of the following notices that offer protest rights:
• Notice of Tax Liability (NTL)
• Notice of Personal Liability (NPL)
• Claim Denial​

  • Click here to download the PDF form