This form is a sample letter in Word format covering the subject matter of the title of the form.
This form is a sample letter in Word format covering the subject matter of the title of the form.
There is an automatic six month extension of time to file the return. If the tax year ends on June 30, Form IL-1120 is due on or before the 15th day of the 3rd month following the close of the tax year. There is an automatic seven month extension of time to file the return.
Due Date/Extension to File Income Tax Return (2024 IL-1040) 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.
Most states don't require you to file separate state extension forms if you don't owe any additional taxes. When you file your state return, you only need to attach a copy of your federal extension form.
New for 2024! If you qualify for the 2024 Illinois EITC and have at least one qualifying child under the age of 12 years old, you also qualify for the Child Tax Credit. The Child Tax Credit is an additional credit, calculated as 20 percent of your Illinois EITC amount.
Illinois Tax Extension Tips: If you have a valid Federal extension (IRS Form 7004), the State of Illinois will automatically grant you an Illinois extension. In this case, you don't have to do anything else to obtain an Illinois extension — unless you owe state tax.
File Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. You can file by mail, online with an IRS e-filing partner or through a tax professional.
More In Help. You may request up to an additional 6 months to file your U.S. individual income tax return. There are three ways to request an automatic extension of time to file your return. You must request the extension of time to file by the regular due date of your return to avoid the penalty for filing late.
Can I get more time after the October deadline? Unfortunately, the tax filing extension deadline can't be extended beyond the October 15, 2025 deadline. That means if you still need to file for the 2024 tax year, this is your last chance to complete a tax return without failure to file interest and penalties.