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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.

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Report Registration Issues Related to 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 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.)