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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

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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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