The Illinois Department of Revenue does require that you file an annual income tax return form. The most used individual income tax form is Form IL-1040

What credits are available in the state of Illinois?

Property Tax Credit- For this credit you should use Schedule ICR

Education Expense Credit- For this credit you must use Schedule ED

Earned Income Credit- For this credit you must complete Worksheet IL-1040.

How do I file an extension?

If necessary the state of Illinois will grant you a six month extension to file your return. This extension will not allow more time if you owe taxes.

If you do owe state taxes then you must file Form IL-505-I. This will provide a payment extension beyond April 15^th without having penalty and interest charges added on.

More than half of all Illinois residents e-file their annual state tax return. This provides you with your return in as little as 8-10 days.

To avoid costly errors on your return trust the experts at TurboTax Online to guide you through the process.

TurboTax Online also offers state tax forms for all of the following states:

Alabama AL, Alaska AK, Arizona AZ, Arkansas AR, California CA, Colorado CO, Connecticut CT, Delaware DE, District of Columbia DC, Florida FL, Georgia GA, Hawaii H, Idaho ID, Illinois IL, Indiana IN, Iowa IA, Kansas KS, Kentucky KY, Louisiana LA, Maine ME, Maryland MD, Massachusetts MA, Michigan MI, Minnesota MN, Mississippi MS, Missouri MO

Montana MT, Nebraska NE, Nevada NV, New Hampshire NH, New Jersey NJ, New Mexico NM, New York NY, North Carolina NC, North Dakota ND, Ohio OH, Oklahoma OK, Oregon OR, Pennsylvania PA, Rhode Island RI, South Carolina, South Dakota, Tennessee TN, Texas TX, Utah UT, Vermont VT, Virginia VA, Washington WA, West Virginia WV, Wisconsin WI, and Wyoming WY