Wisconsin State Tax Information

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Wisconsin Department of Revenue

Wisconsin Department of Workforce Development

Withholding Requirements:

• Register as an employer by clicking here
• Wisconsin Withholding Exemption Certificate/New Hire Reporting = Form WT-4
• Withholding Method = formula
• Supplemental Rate = Add to regular wages for current or preceding period, compute tax on total, and subtract tax withheld on regular wages, or withhold at:

4.6% if annual gross < $7,970
6.15% if annual gross > $7,970
and < $15,590
6.5% if annual gross > $15,590
and < $115,140
6.75% if annual gross > 115,140

Local Taxes

None

State Unemployment Insurance (SUI):

Reserve ratio formula

Rate schedule B in effect
Wage base is $13,000
Contribution rates range from 0.27% to 9.80%
New employers with payroll < $500,000 use 3.6%
New employers with payroll > $500,000 use 4.1%
New construction employers pay 6.60%.
All rates include the solvency tax. The solvency tax is assigned to the employer based on their contribution rate.

State Disability Insurance (SDI):

None

State Labor Laws:

Minimum wage - The Federal minimum wage rate applies.

Termination Pay - Fired/Quit - next regular payday. If fired due to merging, liquidating or otherwise disposing of the business, ceasing business operations in whole or in part, or relocating all or part of the business to another area within or without the state, the employer, or the successors in interest of the employer, shall pay all unpaid wages to the employee at the usual place of payment within 24 hours of the time of separation. Wisconsin Statutes & Annotations § 109.03(2), §109.03(4)

New Hire Reporting:

Employers must report hiring, rehiring, and return to work within 20 days on Form W-4, Wisconsin for WT-4, electronically, by telephone, by internet to:

New Hire Reporting
P.O. Box 14431
Madison, WI 53714-0431
608-264-7737 or 888-300-4473
800-277-8075 fax

Remit Withholding for Child Support to:

Division of Economic Support
Bureau of Child Support
1 West Wilson Street, Room 382
PO Box 7935
Madison, WI 53707-7935
608-266-9909

To report online click here

Reciprocal States:

Illinois, Indiana, Kentucky, Michigan

For a Wisconsin paycheck calculation, visit the PaycheckCity Paycheck Calculator.

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