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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

Report Business Income Tax Fraud Online Form

Please provide as much information as possible in the blanks below. You may remain anonymous if you wish.

Note: Anonymous complaints may not be able to be investigated.

Note: Use this online form to report fraud related to Business Income Taxes only. Do not use this form to report fraud related to Sales and Use Taxes. To report Sales and Use Tax Fraud, use the "Sales and Use Tax, Cigarette Tax, Tobacco Tax, Motor Fuel Tax, and 'Other' Fraud" online form.

Please review Violation Descriptions.

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Your Information

(SSN, DOB)

Violator Information

(SSN, DOB)

Provide information regarding violator's business or employees (names, how they earn income, do they hide income, etc.)