Corporation and Partnership Tax

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11/30/2018Upcoming Public Hearings on Administrative Rules
  
Businesses, Individuals, Municipal Officials, Tax Pro2018
10/29/2018Wisconsin Tax Relief for Wisconsin Disaster Victims
  
Businesses, Individuals, Tax Pro2018
10/16/2018Wage and Information Return Reporting Requirement for Payers - 2018
  
Businesses, Tax Pro2018
9/10/2018Registration and Collection Dates for Remote Sellers
  
Businesses, Individuals, Tax Pro2018
9/7/2018Administrative Rule Open for Public Comment
  
Businesses, Individuals, Municipal Officials, Press Releases, Tax Pro2018
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1603
  
Yes12/20/2018 12:00 AM12/20/2018 11:59 PMhttps://revenue-auth-prod.wi.gov/EventDownloads/Businesses/2018-12-20-Sales-and-Use-tax-return-due-early-monthly.ics
1604
  
Yes12/20/2018 12:00 AM12/20/2018 11:59 PMhttps://revenue-auth-prod.wi.gov/EventDownloads/Businesses/2018-12-20-Aviation-fuel-tax-return-due-monthly.ics
1533
  
Yes12/24/2018 12:00 AM12/24/2018 11:59 PMhttps://revenue-auth-prod.wi.gov/EventDownloads/Businesses/2018-12-24-State-of-Wisconsin-holiday-Revenue-offices-closed.ics
1534
  
Yes12/25/2018 12:00 AM12/25/2018 11:59 PMhttps://revenue-auth-prod.wi.gov/EventDownloads/Businesses/2018-12-25-State-of-Wisconsin-holiday-Revenue-offices-closed.ics
1535
  
Yes12/31/2018 12:00 AM12/31/2018 11:59 PMhttps://revenue-auth-prod.wi.gov/EventDownloads/Businesses/2018-12-31-State-of-Wisconsin-holiday-Revenue-offices-closed.ics
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​How D​​o I…

Registration

Electronic Filing

Combined Reporting

Forms and Instructions

Payment Information

References

Common Questions

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Common Forms

  • Form 4 - Non-Combined Corporation Franchise or Income Tax Return
  • Form 5S - Tax-Option (S) Corporation Franchise or Income Tax Return
  • Form 3 - Partnership Return
  • PW-1 - Nonresident Income or Franchise Tax Withholding on Pass-Through Entity Income

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