Agencies
ServicesPossible online services disruption due to Internet related outage
Fraud Prevention
- Identity Theft Information - Reporting and Preventing Identity Theft and Additional Information and Resources
- Additional ways to protect your identity
- Identity Verification Common Questions
- Requesting a copy of a fraudulently filed tax return FAQs
- IL-4506-F, Request for Copy of Fraudulent Tax Return
- IL-4506-F, Request for Copy of Fraudulent Tax Return
- Additional ways to protect your identity
- Report Tax Fraud and Related Violations