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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

How do I verify a resale number is valid and active?

Account ID, FEIN, and License Numbers can be verified at MyTax Illinois by selecting the "Verify a Registered Business" link in the "Searches" panel. This system allows you to inquire whether a business is registered with the Illinois Department of Revenue and how that business is registered with IDOR.

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.