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2023 Form IL-1040 Instructions. Mailing your income tax return: If no payment is enclosed, mail your return to: ILLINOIS DEPARTMENT OF REVENUE. PO BOX 19041. SPRINGFIELD IL 62794-9041. If a payment is enclosed, mail your return to: ILLINOIS DEPARTMENT OF REVENUE. PO BOX 19027. SPRINGFIELD IL 62794-9027. Index. What’s New for 2023?
2023 Form IL-1040 Instructions. What’s New for 2023? Protecting Illinois Taxpayers. Our enhanced eforts to protect Illinois taxpayers from identity theft and tax fraud have proven to be highly successful.
il-1040-es 2024 Estimated Income Tax Payments for Individuals Use this form for payments that are due on April 15, 2024, June 17, 2024, September 16, 2024, and January 15, 2025.
Click here to file your IL-1040 on MyTax Illinois; Click here to download the PDF form
2023 Form IL-1040. Individual Income Tax Return. *60012231W* or for fiscal year ending / Enter personal information and Social Security numbers (SSN). You must provide the entire SSN(s) - no partial SSN. Step 1: Personal Information. Step 2: Income.
Welcome to the Illinois Department of Revenue. Committed to excellence and working together to fund Illinois' future. Important Notices. Have you received a letter or Final Notice of Tax Due assessing an Estimated Payment Penalty?
2023 Form IL-1040-X Instructions. General Information. Should I file Form IL-1040-X? You should file Form IL-1040-X, Amended Individual Income Tax Return, if you need to change a previously filed Form IL-1040, Individual Income Tax Return, due to a change that afects items used to figure your Illinois net income or credits.
• The original due date for filing the 2023 Form IL-1040 and paying the 2023 individual income tax liability is April 15, 2024. • The extended due date for filing a return is October 15, 2024.
In addition to being able to file Form IL-1040 for free through MyTax Illinois, individuals may also utilize the site to make payments, respond to department inquiries, and check the status of their refunds using the Where's My Refund? link.
Services. Illinois Income Tax Filing (IL-1040) Use MyTax Illinois to electronically file your original Individual Income Tax Return. Go to Service. Provided by.