Illinois Income Tax Income Tax Instructions
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
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.
11/-0001Estimated 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.
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.
11/-0001Nonresident 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.
11/-0001Schedule 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.