How can I file my Illinois state tax return online? The Illinois Department of Revenue allows you to file your IL-1040 online
at http://tax.illinois.gov. There are several qualifications
that must be met in order to file online.
Visit the website for all the details.
How can I get copies of Illinois state income tax forms? Tax forms are available online at the Illinois Department of Revenue's
web site. Go to http://tax.illinois.gov/taxforms/index.htm for a complete list
of forms available online.
If the form you are looking for is not available online, call the Department of Revenue's general
information hotline at 800-732-8866.
