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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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How do I determine my IL-1040 amount for Line 1 if I was not required to file a federal return?

If you are not required to file a federal income tax return, use the federal Form 1040 as a worksheet to determine your adjusted gross income for Line 1 of the  IL-1040, Individual Income Tax Return.

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