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The due date for filing your 2017 Form IL-1040 and paying any tax you owe is extended to April 17, 2018. We are following the Internal Revenue Service (IRS) in extending the due date because of the Emancipation Day holiday being observed on April 16 in the District of Columbia. Income Tax Rate.
2017 Form IL-1040. Individual Income Tax Return 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. Step 1: Personal Information. Social Security numbers in the order they appear on your federal return.
Amended Individual Income Tax Return. IL-1040-ES. 2018 Estimated Income Tax Payments for Individuals. Use this form for payments that are due on April 17, 2018, June 15, 2018, September 17, 2018, and January 15, 2019. IL-1040-V.
Illinois State Income Tax Tables in 2017. The Income tax rates and personal allowances in Illinois are updated annually with new tax tables published for Resident and Non-resident taxpayers. The Tax tables below include the tax rates, thresholds and allowances included in the Illinois Tax Calculator 2017.
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.
For tax returns prior to 1997, email us your form request or call our Forms Order Line at 1 800 356-6302 (Forms Order Line - Available 24 hrs/7 days a week).
In most cases, if you file an amended return after the extended due date, any penalty for late payment of estimated tax will remain as originally assessed. You must file Form IL-1040-X, along with proper supporting documentation, for both corrected and amended returns.
