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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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Answers others found helpful

Do I have to register with Illinois to file IL-1040 tax returns electronically through the modernized e-file (MeF) program?
May I use the MyTax Illinois program if I am claiming a credit on Line 15 of my IL-1040?
What are the electronic options for filing and paying business income and replacement tax?

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