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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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What are the different methods of filing the individual income tax return?

You may file your individual income tax return by using one of the following methods:

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