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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.

Sales and Use Tax Registration Certificate Revocation


The Illinois Transparency & Accountability Portal Sales and Use Tax Registration Certificate Revocation page provides a list of taxpayers who have had their Illinois Retailers’ Occupation Tax, Service Occupation Tax, Use Tax, or Service Use Tax Certificate of Registration revoked for at least 120 continuous days. As you browse the Sales and Use Tax Registration Certificate Revocation data set, you will be able to view this information by the taxpayer’s business name and address or Account ID.