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Illinois Department of Revenue – Anti-Fraud Unit fax number
(217) 557-5353
Anti-Fraud Unit (Identity Theft/Fraud Unit)
Used for: Submitting Identity Verification Documents to IDOR Anti-Fraud Unit using IL-425 Identity Verification Documents.
Fax destination details
- Department
- Anti-Fraud Unit (Identity Theft/Fraud Unit)
- Purpose
- Submitting Identity Verification Documents to IDOR Anti-Fraud Unit using IL-425 Identity Verification Documents.
- Form
- IL-425 — IL-425 Identity Verification Documents
- Address
- PO Box 19049, Springfield, IL 62704-9049
- Voice phone
- 1-800-732-8866
- Website
- Visit organization website
Before you send
- Confirm that this exact department handles your document or request.
- Check the organization website or call its main line for the current fax number.
- Include a cover sheet and any case, member, claim, or form reference required.
- Keep the delivery confirmation with your submission records.
Submit IL-425 Identity Verification Documents to the Illinois Department of Revenue Anti-Fraud Unit. Include one document from Category 1 (photograph) and one from Category 2 (full name and address) as directed by the form. Mail to PO Box 19049, Springfield, IL 62704-9049; or follow online instructions if applicable. Fax: 217-557-5353.
Official form instructions are published as a downloadable file on the organization's website.
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