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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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This is the first year I am filing an Illinois Individual Income Tax return. What information do I need to know?

There are several things you need to know before filing your Illinois tax return for the first time. See the first time filer webpage for more information.

If you have additional inquiries, you may submit them on the Questions, Comments, or Requests form.