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Get the free Form IL-1040, Individual Income Tax Return - Illinois.gov

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Illinois Department of Revenue2018 Form IL1040 Instructions What's New for 2018? Form IL1040, Schedule M, Schedule NR, and Schedule Protecting Illinois Taxpayers Our enhanced efforts to protect Illinois
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How to fill out form il-1040 individual income

01
Step 1: Gather all necessary documents such as W-2 forms, 1099 forms, and any other relevant tax documents.
02
Step 2: Download the IL-1040 Individual Income Tax Return form from the official Illinois Department of Revenue website.
03
Step 3: Fill out your personal information at the top of the form, including your name, Social Security number, and address.
04
Step 4: Enter your income details in the appropriate sections of the form, making sure to accurately report your earnings from various sources.
05
Step 5: Deduct any eligible expenses or deductions you may have, such as mortgage interest, charitable contributions, or student loan interest.
06
Step 6: Calculate your tax liability or refund using the provided tables or the tax calculation worksheet.
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Step 7: Double-check all the information you have entered to ensure accuracy and make any necessary corrections.
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Step 8: Sign and date the form before mailing it to the address specified on the form or file electronically if eligible.

Who needs form il-1040 individual income?

01
Anyone who is a resident of Illinois and has earned income during the tax year needs to file form IL-1040 individual income tax return.
02
Individuals who have non-resident income from Illinois sources or are claiming certain credits or deductions may also need to file this form.
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Form IL-1040 is the individual income tax return form for residents of Illinois.
Residents of Illinois who have income that is taxable are required to file form IL-1040.
Form IL-1040 can be filled out manually or electronically by providing personal information, income details, deductions, and credits.
The purpose of form IL-1040 is to report an individual's income, calculate the tax liability, and determine any refunds or payments due.
Information such as income from wages, self-employment, investments, deductions, and credits must be reported on form IL-1040.
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