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Application for Extension of Time To File U.S. Income Tax
When you file. Form 1040, enter any income tax payment (line 5) sent with Form 2350 on Form 1040, line 70. See the instructions for your income tax return.
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2024 IL-1040 instructions, Illinois Individual Income Tax
The due date for filing your 2024 Form IL-1040 and paying any tax you owe is April 15, 2025. Income Tax Rate. The Illinois income tax rate is 4.95 percent (.
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State of Illinois Taxes - Taxes
Mar 2, 2023 See Current Year to access individual income tax forms and instructions, including IL-1040. Filing form. Find information about filing returns
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