Tax Resources

Tax Resources for Employees

The tax filing information on this page is provided for your convenience. Every effort has been made to ensure its accuracy. It is not intended to be a complete representation of all the income tax forms and regulations pertinent to the students, faculty, staff and other individuals with whom the University System may have a relationship. Please note that current forms and resources have been included if available. Some forms on this page may not yet be updated by external agencies. As the University does not provide tax advice, the University disclaims all liability from the misinterpretation or misuse of these materials.

The University of Wisconsin does not discriminate on the basis of disability in the provision of programs, services or employment. If you need this printed material in a different form, or if you need assistance in using these services, contact your human resources office.

Tax Statements

Duplicate Tax Statements

Federal Tax Contact Information

Wisconsin Tax Contact Information

Tax Forms, Instructions and Resources

What is your tax payer status?
Refer to the tax resources listed below under the tab that best describes your tax payer status.
If you need help determining your status, please see Topic No. 851, Resident and Nonresident Aliens.

U.S. Citizens, Permanent Residents (Green Card Holders), Resident Aliens for Tax Purposes

Federal Tax

You may file an income tax return. Please carefully read the instructions to determine which forms and additional requirements apply to you.

Selected Federal Resources

State Tax

You may file state income tax return(s) for each state in which you resided and/or earned income. Please carefully read each state's instructions to determine which forms and additional requirements apply to you.

Wisconsin

Selected Wisconsin Resources

Other States

  • Other state tax information is found below.

State Tax Resources

Consider using online employee self service to enter both your federal and state withholding information.

If employee self service is not an option for you, locate your state information below. UW System is registered to withhold state taxes for employees who live and/or work in the states listed under the Registered States tab. For all other states, see the Unregistered States tab.

Registered States: Tax Withholding Resources

UW System is registered to withhold state taxes for employees who live and/or work in the states listed below. For all other states, see the Unregistered States tab.

State Department/Agency Employee Withholding Form Resources
Arizona Department of Revenue AZ Form A-4 (2025) AZ Withholding Percentage Election
State Department/Agency Employee Withholding Form Resources
California Employment Development Department CA DE 4 - Rev. 55 (1-25) CA Withholding Schedules
State Department/Agency Employee Withholding Form Resources
Georgia Department of Revenue GA Form G-4 (08/15/24)
[download link]
GA Withholding Forms
GA Withholding Tax Guide
State Department/Agency Employee Withholding Form Resources
Idaho State Tax Commission Form ID W-4 (12/05/2024) ID Withholding Forms
ID Withhold Tax Information
State Department/Agency Employee Withholding Form Resources
Illinois Department of Revenue IL Form IL-W-4 (7/23) IL Withholding Tax Forms and Tables
IL Withholding Tax Information
State Department/Agency Employee Withholding Form Resources
Iowa Department of Revenue IA Form W-4 2025 (11/18/2024) IA Withholding Tax Information
State Department/Agency Employee Withholding Form Resources
Louisiana Department of Revenue LA Form L-4 (1/25) LA Withholding Tax and Tables
LA Withholding FAQs
State Department/Agency Employee Withholding Form Resources
Maine Maine Revenue Services Form W-4ME (Dec 2024) ME Withholding Tax Forms and Tables
ME Tax Withholding FAQ
State Department/Agency Employee Withholding Form Resources
Massachusetts Department of Revenue MA Form M-4 (11/19) MA Withholding Tax Forms and Tables
MA Withholding Tax Information
State Department/Agency Employee Withholding Form Resources
Michigan Department of Treasury - Taxes MI Form MI-W4 (12-20) MI Withholding Tax Forms
MI Withholding Guide and Tables
State Department/Agency Employee Withholding Form Resources
Minnesota Department of Revenue MN Form W-4MN (2025) MN Withholding Tax Information
MN Withholding Form and Instructions
State Department/Agency Employee Withholding Form Resources
Montana Department of Revenue MT Form MW-4 (V5 12/2024) MT Withholding Tax Information
MT Withholding Form, Guide and Tables
State Department/Agency Employee Withholding Form Resources
Nebraska Department of Revenue NE Form W-4N (01/2022) NE Income Tax Withholding
NE Withholding Forms and FAQs
State Department/Agency Employee Withholding Form Resources
South Carolina Department of Revenue Form SC W-4 (2025) SC Withholding Tax Information
SC Withholding Tables and Formula
State Department/Agency Employee Withholding Form Resources
Utah State Tax Commission Utah withholding tax is based
on Federal Form W-4 and
UT Pub. 14 Withholding Tax Guide
UT Withholding Taxes
State Department/Agency Employee Withholding Form Resources
Virginia Department of Taxation Form VA-4 (08/11)
VA Withholding Table (04/01/24)
VA Withholding Tax
VA Withholding Forms
State Department/Agency Employee Withholding Form Resources
Wisconsin Department of Revenue WI Form WT-4 (8-23) WI Withholding Calculator