Illinois Tax Forms 2015
Printable State IL-1040 Tax Form and Instructions
Printable Illinois (IL) state income tax form IL-1040 must be postmarked by April 18, 2016 in order to avoid penalties and late fees. Printable Illinois state tax forms for the current tax year will be based on income earned between January 1, 2015 through December 31, 2015. The Illinois state income tax rate for 2015 is a flat tax rate of 3.75%. This state tax rate can be found inside the IL-1040 tax form and instructions booklet PDF.
Illinois income tax forms preparation begins with the completion of your IRS federal income tax forms. Some of the Illinois state income tax forms require information from your IRS federal income tax return, for example. We have organized the free IRS printable tax forms under the headings 1040EZ, 1040A, 1040, and subsets of 1040. If you have not done so already, please begin with your 1040EZ, 1040A or 1040 using the links above, or on the left side navigation.
2015 Illinois IL-1040 Forms and Instructions
Frequently Required Schedules & Forms:
IL-1040-ES - 2016 Estimated Income Tax Payments
IL-505-I - Automatic Extension Payment
IL-2210 Instructions - Computation of Penalties
Schedule CR Instructions - Credit for Tax Paid to Other States
Schedule G - Voluntary Charitable Donations
Schedule ICR Instructions - Illinois Credits
Schedule M Instructions - Other Additions and Subtractions
Schedule NR Instructions - Nonresident and Part-Year Resident Computation
Schedule 1299-C Instructions - Income Tax Subtractions & Credits
ST-44 Instructions - Illinois Use Tax Return
RC-44 Instructions - Illinois Cigarette Use Tax Return
List of all printable IL state income tax forms.
Click any Illinois state income tax form title above to download, view, print, and save as a PDF file. The PDF file format allows you to safely print, prepare, and mail in your state tax forms. The Illinois Department of Revenue will expect your 2015 income tax forms to be printed on high quality printers. Today's laser, bubble-jet, or ink-jet printers are generally acceptable. Color printing is not required, however, we recommend that you read the first few page of the IL-1040 Instructions booklet for updates regarding the printing of your state tax forms.
Illinois State Income Tax Refund Status
To check the status of your IL-1040 income tax refund online, visit the Illinois Department of Revenue website and use their Income Tax Refund Status Inquiry service. Illinois Department of Revenue refund processing time is stated as within three weeks for an electronically filed return and as long as 15 weeks for a mailed in paper return. To retrieve the status of your IL income tax refund for 2015 you will need the following information:
- Social Security Number
- Adjusted Gross Income (Line 1)
The requested information must match what was submitted on your IL-1040 state income tax forms for the current year. To look up prior year refunds, you will need to contact the Illinois Department of Revenue service center by phone or mail.