Report Tax Fraud

Thank you for your interest in reporting tax crimes within the State of Illinois. Tax fraud or misuse of licenses affects us all by providing an unfair business advantage to tax cheaters. See Descriptions...

There are 3 different ways you may report this crime:

1) Fill out a Fraud Referral Form on-line.

2) Send your complaint in writing to:

Illinois Department of Revenue
Bureau of Criminal Investigation
101 West Jefferson Street
PO Box 19014
Springfield, Illinois 62794-9014

3) Call 1 800 243-2811 (CHEAT 11)

Please Note: Complaints regarding improper claiming of dependents, fraudulent activity by non-Illinois residents or other issues related to the federal income tax return should be reported to the Internal Revenue Service (IRS)
at 1 800-829-1040 or www.irs.gov.

For Child Support call 1 800-447-4278 or www.ilchildsupport.com.