Recent News
- New Tax and Training Calendars Posted
- Clean Towel and Uniform Providers
- Biodiesel Fuel Production Income/Franchise Tax Credit
- Cooperative Members Claiming the Dairy Manufacturing Investment Credit
- Election Worker Exemption from Income Tax Withholding
- Prosthetic Devices - Eyeglasses and Contact Lenses - and their Accessories and Supplies
- More...
Calendar
How Do I...
Corporation and Partnership Tax
Registration
Electronic Filing
Combined Reporting
Forms and Instructions
Payment Information
References
Common Questions
Common Forms
- Form 4 - Corporation Franchise or Income Tax Return (regular multistate corporation)
- Form 5 - Corporation Franchise or Income Tax Return (Regular 100% Wisconsin corporation)
- Form 5S - Tax-Option (S) Corporation Franchise or Income Tax Return
- Form 3 - Partnership and Recycling Surcharge Return
- PW-1 - Nonresident Income or Franchise Tax Withholding on Pass-Through Entity Income