Illinois DOR Releases Form IL-1040-ES for Estimated Individual Income Tax Payments

The Illinois Department of Revenue (DOR) Dec. 1, 2018 released form IL-1040-ES for 2019 estimated individual income tax payments. The DOR provided instructions and a worksheet to compute the estimated tax and any other required payments. The DOR also answered frequently asked questions related to payment requirements, payment due dates, payment exceptions, and late-payment penalties. The due dates for paying 2019 estimated tax are April 15, June 17, Sept. 16, and Jan. 15, 2020. [Ill. Dep’t of Revenue, IL-1040-ES Estimated Income Tax Payments for Individuals, 12/01/18]

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