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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Report Audit Level Tax Fraud Online Form

Please provide as much information as possible in the blanks below. You may remain anonymous if you wish.

Note: Anonymous complaints may not be able to be investigated.

Please review the Violation Descriptions.

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Your Information


(SSN, DOB)


Violator Information


(SSN, DOB)

Provide information regarding violator's business or employees (names, how they earn income, do they hide income, etc.)