Download Income Tax Instructions (PDF)

Illinois Illinois Income Tax Instructional Booklet Updated 11/-0001

Printable Illinois Income Tax Income Tax Instructions

This printable booklet includes instructions for filling out your IL-1040 form For more information about the Illinois Income Tax, see the Illinois Income Tax page.

Illinois may also allow you to e-file your Income Tax Instructions instead of mailing in a hard copy, which could result in your forms being received and processed faster. For more details, read more about the Illinois e-filing program.

Document Source: http://www.revenue.state.il.us/taxforms/IncmCurrentYear/Individual/IL-1040-Instr.pdf

View Other Illinois Tax Forms

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Payment Voucher

Submit a completed payment voucher with all tax payments to the Illinois Department of Revenue to ensure that your payment is properly credited to your account.

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Illinois Individual Income Tax Return

Form IL-1040 is the standard Illinois income tax return for all permanent residents of Illinois.

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Estimated Income Tax Return

If you owe more then $500 a year in income tax on April 15th (because of self employment or other income without tax withholding) you must file a quarterly income tax payment using the worksheet and payment voucher included in Illinois form IL-1040-ES.

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Illinois Income Tax Instructional Booklet

This printable booklet includes instructions for filling out your IL-1040 form

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Illinois Credits

If you qualify for certain tax credits that are not listed on your other tax forms, you need to file schedule CR to claim those credits.

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Nonresident Income Tax Form

If you are a part-time resident of nonresident of Illinois but have income earned in Illinois, you must complete a Schedule NR in addition to an Illinois IL-1040 tax return.

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Schedule NR Instruction Booklet

If you are a part-time resident of nonresident of Illinois but have income earned in Illinois, you must complete a Schedule NR in addition to an Illinois IL-1040 tax return. This booklet will help you complete the schedule.