Important Upcoming Iowa Department of Revenue Tax Deadline

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Important Upcoming IDR Tax Deadline: Estimated Income Tax Payments

The Department is reminding taxpayers that Iowa has not extended the due date for Estimated Income Tax Payments. The second quarter installment of tax year 2020 estimated income tax for taxpayers filing on a calendar year basis is due June 30, 2020. Additional underpayment penalty relief related to certain 2020 estimated income taxes was granted in Order 2020-03.


Information on estimated tax payments and this additional underpayment penalty relief can be found on the Department's website under Frequently Asked Questions for Estimated (Income Tax) Payments at

The mission of the Iowa Department of Revenue is to serve Iowans and support state government by collecting all taxes required by law, but no more.