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We automatically grant you a six-month extension of time to file your tax return. For calendar year filers, the filing date is automatically extended to October 15. You are not required to file Form IL-505-I to obtain this automatic extension.
The original due date to file and pay Illinois individual income tax for calendar year filers is April 15, 2024. We grant an automatic six-month extension of time to file your return. If you receive a federal extension of more than six months, you are automatically allowed that extension for Illinois.
Since Illinois doesn't have an extension request, the previously mentioned penalties depend only on the timing of payments. Use Illinois Form IL-505-I to make an extra payment by the April 18, 2023, due date to avoid penalties.
18 kwi 2023 · Illinois provides an automatic extension to October 16th. No paper or electronic extension request required. 100% of tax liability must be paid with Form IL-505-I by original due date of return to avoid penalties. A copy of federal extension must be attached to return when filed.
Your 2022 Illinois individual income tax return is due April 18, 2023. 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).
If you anticipate owing Illinois income tax, you must use this form to estimate and pay your tax liability by the original due date to avoid penalties and interest. Filing Form IL-505-I does not grant you an additional extension to file your return; you still need to submit your completed Form IL-1040 by October 15th.
We last updated the Automatic Extension Payment for Individuals Filing Form IL-1040 in January 2024, so this is the latest version of Form IL-505-I, fully updated for tax year 2023. You can download or print current or past-year PDFs of Form IL-505-I directly from TaxFormFinder.
