TaxBandits Knowledge Base

Wisconsin - W2 State Filing Requirements

The state requires the filing of Form W-2 if wages were paid to Wisconsin employees or if income tax was withheld during the year.

Wisconsin State ID Format:

• Constant 036 hyphen 10 digits hyphen followed by 2 digits (Eg: 036-9999999999-99)

• Constant 36 followed by 12 digits (Eg: 36999999999999)

Filing Criteria and Requirements

Criteria 1: If there is any Wisconsin state tax withheld

• Filing Method: Direct State Filing

  • You must file a W-2 directly with the state.

• Additional Form Required: Form WT-7

  • TaxBandits doesn't support filing Form WT-7 with the state. The payer must file the form directly with the state before the deadline.

• Deadline: January 31, 2025
   

Criteria 2: If there is no Wisconsin state tax withheld

• Filing Method: Direct State Filing

  • You must file a W-2 directly with the state.

• Additional Form Required: Not required

• Deadline: January 31, 2025

For more information about Wisconsin’s W-2  filing requirements, click here