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Illinois Department of Revenue 2015 Form IL1040X Amended Individual Income Tax Return REV 12 Do not write above this line. Step 1: Personal information A Print or type your current Social Security
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How to fill out 2015 form il-1040-x

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How to fill out 2015 form il-1040-x

01
Gather all your necessary tax documents such as W-2 forms, 1099 forms, and any other income statements.
02
Download and print the 2015 form IL-1040-X from the official Illinois Department of Revenue website.
03
Carefully read the instructions provided with the form to understand the requirements and any changes from the original IL-1040 form.
04
Fill in your personal information including your name, address, and social security number in the appropriate sections.
05
Report any adjustments or corrections to your income, deductions, or credits on the corresponding lines on the form.
06
Provide an explanation for each correction or adjustment made on the form.
07
Calculate the final amounts for your corrected income, deductions, and credits.
08
Double-check all the information you have entered and ensure it is accurate and complete.
09
Attach any necessary supporting documents such as copies of amended W-2 forms or additional schedules.
10
Sign and date the form IL-1040-X.
11
Make a copy of the completed form and all supporting documents for your records.
12
Mail the form IL-1040-X and supporting documents to the appropriate address as provided in the instructions.

Who needs 2015 form il-1040-x?

01
Individuals who need to correct or amend their 2015 Illinois state tax return should use form IL-1040-X.
02
If you made a mistake on your original IL-1040 form or need to update your tax information for the year 2015, this form is applicable to you.
03
It is important to file form IL-1040-X if you need to correct errors in your income, deductions, or credits that may affect your tax liability or refund for the 2015 tax year.
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Form IL-1040-X is used by Illinois residents to amend their individual income tax return.
Individuals in Illinois who need to make changes to their previously filed state income tax return are required to file Form IL-1040-X.
Form IL-1040-X must be filled out completely and accurately, including all necessary corrections to the original return. Detailed instructions for completing the form can be found on the Illinois Department of Revenue website.
The purpose of Form IL-1040-X is to allow individuals to correct errors or make changes to their previously filed Illinois state income tax return.
Form IL-1040-X requires the taxpayer to provide personal information, details of the original return, corrections or changes being made, and any additional supporting documentation.
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