Businesses Calendar

  
  
Description
  
  
  
  
  
  
  
  
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-WT-6-deposit-report-due-semi-monthly.ics2151WT-6 deposit report due - semi-monthly
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-PW-1-due-Partnerships-and-S-Corps.ics2152PW-1 due (Partnerships and S Corps)
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-Partnership-tax-return-due.ics2153Partnership tax return due
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-S-Corporation-tax-return-due.ics2154S Corporation tax return due
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-Cigarette-tobacco-products-return-due-monthly.ics2155Cigarette-tobacco products return due - monthly
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-Liquor-beer-return-due-monthly.ics2156Liquor-beer return due - monthly
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2157Supplier, shipper, transporter fuel tax payment due - monthly
  
3/15/2021 12:00 AM3/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-03-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2158Blenders fuel tax return due - intermittent monthly
  
3/22/2021 12:00 AM3/22/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-22-Sales-and-use-tax-return-due-early-monthly.ics2159Sales and use tax return due - early monthly
  
3/22/2021 12:00 AM3/22/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-22-Aviation-fuel-tax-return-due-monthly.ics2160Aviation fuel tax return due - monthly
  
3/28/2021 12:00 AM3/28/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-28-My-Tax-Account-Wisconsin-Telefile-and-Wis-e-File-system-file-outage-all-day.ics2161My Tax Account, Wisconsin Telefile and Wis e-File system file outage all day
  
3/31/2021 12:00 AM3/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-31-Sales-and-use-tax-return-due-monthly.ics2162Sales and use tax return due - monthly
  
3/31/2021 12:00 AM3/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-31-WT-6-deposit-report-due-semi-monthly-and-monthly.ics2163WT-6 deposit report due - semi-monthly and monthly
  
3/31/2021 12:00 AM3/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-31-Local-expo-tax-return-due-monthly.ics2164Local expo tax return due - monthly
  
3/31/2021 12:00 AM3/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-31-Premier-resort-tax-return-due-monthly.ics2165Premier resort tax return due - monthly
  
3/31/2021 12:00 AM3/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-31-Police-and-fire-protection-fee-due-monthly.ics2166Police and fire protection fee due - monthly
  
3/31/2021 12:00 AM3/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-3-31-Alternate-fuel-terminal-operator-return-due-monthly.ics2167Alternate fuel, terminal operator return due - monthly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-04-15-WT-6-deposit-report-due-semi-monthly.ics2168WT-6 deposit report due - semi-monthly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics2169Cigarette-tobacco products return due - monthly, quarterly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Liquor-beer-return-due-monthly.ics2170Liquor-beer return due - monthly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2171Supplier, shipper, transporter fuel tax payment due - monthly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2172Blenders fuel tax return due - intermittent monthly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Wine-direct-shippers-return-due-quarterly.ics2173Wine direct shippers return due - quarterly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2174Supplier, shipper, transporter fuel tax return due - monthly
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Exempt-employees-trust-IRA-MSA-fiduciary-income-tax-return-due.ics2175Exempt employees trust, IRA, MSA fiduciary income tax return due
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Corporation-franchise-or-income tax-return-due-Non-combined-and-combined.ics2176Corporation franchise or income tax return due (Non-combined and combined)
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Fiduciary-income-tax-returns-due.ics2177Fiduciary income tax returns due
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-1CNP-composite-return-for-nonresident-partners-due.ics21781CNP composite return for nonresident partners due
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-1CNS-composite-return-for-nonresident-shareholder-due.ics21791CNS composite return for nonresident shareholder due
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-PW-1-due-estates-and-trusts.ics2180PW-1 due (Estates and trusts)
  
4/15/2021 12:00 AM4/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-15-Corp-ES-Corporation-1st-quarter-estimated-tax-payment-due.ics2181Corp-ES Corporation 1st quarter estimated tax payment due
  
4/20/2021 12:00 AM4/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-20-Sales-and-use-tax-return-due-early-monthly.ics2182Sales and use tax return due - early monthly
  
4/20/2021 12:00 AM4/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-20-Aviation-fuel-tax-return-due-monthly-quarterly.ics2183Aviation fuel tax return due - monthly, quarterly
  
4/26/2021 12:00 AM4/26/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-26-1st-quarter-dry-cleaning-fee-returns-due.ics21841st quarter dry cleaning fee returns due
  
4/30/2021 12:00 AM4/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-30-Sales-and-use-tax-return-due-monthly-and-quarterly.ics2185Sales and use tax return due - monthly and quarterly
  
4/30/2021 12:00 AM4/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-30-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics2186WT-6 deposit report due - semi-monthly, monthly and quarterly
  
4/30/2021 12:00 AM4/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-30-Local-expo-tax-return-due-monthly-and-quarterly.ics2187Local expo tax return due - monthly and quarterly
  
4/30/2021 12:00 AM4/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-4-30-Premier-resort-tax-return-due-monthly-and-quarterly.ics2188Premier resort tax return due - monthly and quarterly