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IDOR News & Updates - April 8, 2024 |
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Can't File Your Individual Income Tax Return by the April 15 Deadline?
Your 2023 Illinois individual income tax return is due April 15, 2024. If you will not be able to file in time, options are available to you.
What you need to know
The state of Illinois grants an automatic six-month extension to file your Illinois individual income tax return (Form IL-1040).
For calendar year filers, the extended due date is October 15, 2024.
If you receive a federal extension of more than six months, you are automatically allowed that extension for Illinois.
Note: An extension of time to file does not extend the amount of time you have to pay any tax owed.
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What if I owe tax?
If you determine that you will owe tax, you must pay any tax you owe to avoid penalty and interest on or before April 15, 2024.
Use Form IL-505-I, Automatic Extension Payment for Individuals, if you are unable to file your individual income tax return and owe tax.
What are my payment options?
Taxpayer Assistance
- Individuals with tax questions should contact IDOR’s Taxpayer Assistance Division at 1-800-732-8866 or by email address. Over-the-phone translation services are available. Our TTY number is 1-800-544-5304.
- Taxpayers may also visit any of IDOR’s offices located in Chicago, Des Plaines, Fairview Heights, Marion, Rockford, and Springfield to receive assistance. Staff at these locations can help with any Illinois state income tax filing inquiries and are available weekdays from 8:30 a.m. to 5:00 p.m.
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For the most up-to-date information, printable forms, schedules, and instructions for the 2023 tax year, please visit IDOR’s website at: tax.illinois.gov. |
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