Welcome to the Iowa Department of Revenue

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.

GovConnectIowa Available
Iowa's new online secure portal, GovConnectIowa, is now available!
Income Withholding for 2022
IDR has issued new income withholding tax tables for 2022 including an updated withholding calculator.
Upcoming Webinars
Join the Department for our free monthly tax education webinars.

News

IDR Announces: Iowa Fuel Tax Deduction for Blended Fuel Sales
June 24, 2022

Following Governor Reynolds signature of House File 2128 on May 17, 2022, the Iowa Department of Revenue has released new guidance to explain this tax change, effective July 1, 2022, as it relates to the following:

IDR Releases Updated Tax Guidance: Solar Energy System Tax Credits
June 17, 2022

On June 17, 2022, Governor Reynolds signed Iowa Acts, Senate File 2367. The Department has released updated guidance to explain this tax change as it relates to the following:

IDR Announces Sales & Use Tax Permit, Return Filing, and Payment Changes
June 17, 2022
Following Governor Reynolds’s signature of Senate File 2367, the Iowa Department of Revenue has released updated guidance as it relates to Sales and Use Tax Permit, Return Filing, and Payment Changes. Changes to sales and use tax permit registration, return filing, and tax payment take effect July 1, 2022. These changes include (click for more)
Iowa Fuel Tax Rate Change Effective July 1, 2022
June 07, 2022
Prior to July 1, 2020, the Iowa Department of Revenue used gallon totals from the Iowa Fuel Tax Monthly Report to determine tax rates for motor fuel and special fuel . Beginning July 1, 2020, the Department started using gallon totals from the Iowa Retailers Fuel Gallons Annual Report, resulting in tax rate changes to select fuel types. Based on the data for the determination period beginning January 1, 2021, and ending December 31, 2021, the Biodiesel B-11 or Higher distribution percentage increased from 61.49% to 57.75% and now falls into a different fuel tax rate category. The fuel tax rate for Biodiesel B-11 or Higher will decrease from $0.304 to $0.301 effective July 1, 2022.
Administrative Rules - Available for Public Comment
May 04, 2022
The Department has submitted a proposed rule to the Iowa Legislature (Excise Tax Rate on Motor Fuels), available for public comment through May 24, 2022. See individual notice for details.
Administrative Rules - Adopted & Filed
April 05, 2022
The Department previously submitted a proposed rule (Hoover Presidential Library Tax Credit) that has been adopted and filed, effective May 11, 2022. See individual notice for details.