Welcome to the Iowa Department of Revenue

On July 1, 2023, Iowa's three major revenue generating agencies – Iowa Department of Revenue, Alcoholic Beverages Division, and Iowa Lottery – formed a single agency to make it easier to do business in Iowa. The Department of Revenue is now better positioned to provide all Iowans with information about revenue collections, compliance, licensing, and permits.

GovConnectIowa Rollout 3
New tax types, functionality, and features are now available in GovConnectIowa!
Income Withholding for 2024
IDR has issued new income withholding tax tables for 2024 including an updated withholding estimator.
Government Alignment Bill
Aligning Iowa Lottery and the Alcoholic Beverages Division with Iowa Department of Revenue will bring Iowa's primary revenue generating enterprises together to create a more convenient, full-service customer experience.
Rule Reorganization
The Department reorganized its administrative rules under Chapter 701 of the Iowa Administrative Code.


IDR Releases Tax Guidance: Employee Income Withholding Instructions
May 13, 2024

The Iowa Department of Revenue is issuing updated instructions for employee withholding for wages paid in calendar year 2024.

Administrative Rules - Adopted & Filed
February 07, 2024
The Iowa Department of Revenue previously submitted the following proposed rules to the Iowa Legislature. The following rules have been adopted and filed, effective March 13, 2024. See individual notices for details.
IDR Helps You Prepare for Tax Time
January 29, 2024

With tax filing season upon us, the Iowa Department of Revenue is reminding Iowans of the many resources available that can assist taxpayers with filing their tax return. The Department began processing individual income returns at the same time as the IRS on January 29. This is because Iowa taxpayers are required to provide their federal return with their Iowa return.

Mosiman receives Patriot Award for support of Iowa Guard and Reserve members
January 25, 2024

Iowa Department of Revenue Director Mary Mosiman recently received the Patriot Award, which recognizes organizational leaders who provide outstanding support to Iowa Guard and Reserve members.

The Iowa Employer Support of the Guard and Reserve (ESGR) presented the Award to Mosiman at the Hoover Building in Des Moines.  

Administrative Rules - Available for Public Comment; Adopted & Filed
January 16, 2024
The Department has submitted new proposed rules to the Iowa Legislature (Property Assessment Appeal Board), available for public comment through February 5, 2024. The Department previously submitted the following proposed rules (Retirement Income Exclusion) to the Iowa Legislature, adopted and filed, effective February 14, 2024. See individual notices for details.
Changes to Department Settlements, including Abatements
January 02, 2024

2023 Iowa Acts, Senate File 565 made changes to the Iowa Department of Revenue’s settlement and abatement laws and authority, effective January 1, 2024. The Department has adopted new rules to implement this law change. See Iowa Administrative Code chapter 19 for more information.