Illinois Department of Revenue
IL-425 Identity Verification Documents
Note: Please use this form to submit Identity Verification to the Illinois Department of Revenue if you do not have the letter
we sent you. If you have the letter we sent you, please use the letter to respond online at MyTax.Illinois.gov. For additional
information, refer to the Identity Theft page on the website at tax.illinois.gov.
Step 1: Identify yourself
Your name
_______________________________________
Your Social Security no. _______ - _____ - ____
_____
Spouse’s name
___________________________________
Spouse’s Social Security no. _______ - _____ - ____
_____
Mailing address
___________________________________
Daytime phone number (______)_______- ___
______
City, State, ZIP
____________________________________
Step 2: Return information
Did you file a tax return with the Illinois Department of Revenue for the current tax year? Yes No
If your response pertains to a tax return filed with the Illinois Department of Revenue for a
prior tax year, please indicate the tax year in question. ___
_____
___
___
Step 3: Attach documents
If you have been asked to submit documents to verify your identity, your tax return will not be processed until you respond.
Please attach copies of one item from each category.
Category 1: Select one document that has your photograph Category 2: Select one document that has your full name
and full name: and complete address used on the tax return filed:
Illinois driver’s license (current or expired less than one year) Utility bill (gas, electric, cable, cell phone, etc.)
Driver’s license from any other state (current) Bank statement
State identification card Payroll stub or W-2
Passport Property tax bill
Military identification Rental agreement (signed by landlord and renter)
Government issued photo identification College or university transcript
U.S. high school, college or university photo ID Insurance policy (vehicle, homeowners, renters, health, life)
Employee photo ID card with recent payroll stub Credit card statement
Step 4: Additional notes (Optional):
IL-425(R-10/19)
This form is authorized as outlined under the tax or fee Act imposing the tax or fee for which this form is filed. Disclosure of this
information is required. Failure to provide information may result in this form not being processed and may result in a penalty.
Please submit to:
Illinois Department of Revenue
Anti-Fraud Unit
PO Box 19049
Springfield, IL 62794-9049
Fax: 217 557-5353
Printed by authority of the State of
Illinois - web only, one copy
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