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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.

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If you have additional inquiries, you may submit them to the Questions, Comments, or Request form.