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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.
General Information. Step 1 Personal Information. Step 2 Income. Step 3 Base Income. Step 4 Exemptions. Step 5 Net Income and Tax. Step 6 Tax After Nonrefundable Credits. Step 7 Other Taxes. Step 8 Payments and Refundable Credit. Step 9 Total. Step 10 Underpayment of Estimated Tax Penalty and Donations. Step 11 Refund or amount you owe.
Use this form for payments that are due on April 15, 2024, June 17, 2024, September 16, 2024, and January 15, 2025. IL-1040-V Payment Voucher for Individual Income Tax
Schedule NR, Nonresident and Part-Year Resident Computation of Illinois Tax, allows part-year or nonresidents of Illinois to determine the income that is taxed by Illinois during the tax year and to figure Illinois Income Tax. Attach: Schedule NR to Form IL-1040, Individual Income Tax Return.
2020 Form IL-1040. Individual Income Tax Return. *60012201W*. or for fiscal year ending /. Over 80% of taxpayers file electronically. It is easy and you will get your refund faster. Visit tax.illinois.gov.
Download or print the 2023 Illinois (Illinois Income Tax Instructional Booklet) (2023) and other income tax forms from the Illinois Department of Revenue.
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