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:

3.0% if annual gross < $10,010

4.0% if annual gross < $10,000 and < $25,000

4.5% if annual gross < $25,000 and < $40,000

6.0% if annual gross > $40,000 and < $60,000
6.5% if annual gross > $60,000

Local Taxes

None

State Unemployment Insurance (SUI):

• Reserve ratio formula
• Wage base is $12,000 for 2019
• Contribution rates range from 1.50% to 8.50% for 2019
• New employers use 2.70% for 2019
• Out-of-State construction employers use 8.50% for 2019

State Disability Insurance (SDI):

None

State Labor Laws:

Minimum wage: $8.75 per hour effective 1/1/2019

Termination Pay: Fired - 72 hours. Quit - next regular payday.

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:

West

P.O. Box 14431, Madison, WI 53708-0431 
Phone: 888-300-4473   Fax: 800-277-8075

To report online click here

Remit Withholding for Child Support to:

Wisconsin Support Collections Trust Fund

PO Box 74400,   Madison, WI 53274-0400
Phone: 877-209-5211

To report online click here

Reciprocal States:

Illinois, Indiana, Kentucky, Michigan