Businesses Calendar

  
  
Description
  
  
  
  
  
  
  
  
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Sales-and-use-tax-return-due-monthly.ics2034Sales and use tax return due - monthly
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Fiduciary-tax-return-extension-deadline.ics2035Fiduciary tax return extension deadline
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-WT-6-deposit-report-due-semi-monthly-and-monthly.ics2036WT-6 deposit report due - semi-monthly and monthly
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Local-expo-tax-return-due-monthly.ics2037Local expo tax return due - monthly
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Premier-resort-tax-return-due-monthly.ics2038Premier resort tax return due - monthly
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Police-and-fire-protection-fee-due-monthly.ics2039Police and fire protection fee due - monthly
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Alternate-fuel-terminal-operator-return-due-monthly.ics2040Alternate fuel, terminal operator return due - monthly
  
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-09-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2041Supplier shipper transporter fuel tax return due - monthly
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-1CNP-extension-deadline.ics20471CNP extension deadline
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-1CNS-extension-deadline.ics20481CNS extension deadline
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-S-Corporation-tax-return-extension-deadline.ics2049S Corporation tax return extension deadline
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-Exempt-employees-trust-ISA-MSA-Fiduciary-tax-return-extension-deadline.ics2050Exempt employee's trust, ISA, MSA Fiduciary tax return extension deadline
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-PW-1-Partnerships-extension-deadline.ics2051PW-1-Partnerships-extension-deadline
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-PW-1-(S-Corps)-extension-deadline.ics2052PW-1 (S Corps) extension deadline
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics2053Cigarette tobacco products return due - monthly, quarterly
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-Liquor-beer-return-due-monthly.ics2054Liquor beer return due - monthly
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2055Supplier, shipper, transporter fuel tax payment due - monthly
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2056Blenders fuel tax return due - intermittent monthly
  
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-15-Wine-direct-shippers-return-due-quarterly.ics2057Wine direct shippers return due - quarterly
  
10/18/2020 12:00 AM10/18/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-18-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am–noon.ics2044Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am – noon
  
10/20/2020 12:00 AM10/20/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-20-Sales-and-use-tax-return-due-early-monthly.ics2058Sales and use tax return due - early monthly
  
10/20/2020 12:00 AM10/20/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-20-Aviation-fuel-tax-return-due-monthly-quarterly.ics2059Aviation fuel tax return due - monthly, quarterly
  
10/26/2020 12:00 AM10/26/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-10-20-3rd-quarter-dry-cleaning-fee-returns-due.ics20603rd quarter dry cleaning fee returns due
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Sales-and-use-tax-return-due-monthly-and-quarterly.ics2070Sales and use tax return due - monthly and quarterly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics2071WT-6 deposit report due - semi-monthly, monthly and quarterly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Local-expo-tax-return-due-monthly-and-quarterly.ics2072Local expo tax return due - monthly and quarterly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Premier-resort-tax-return-due-monthly-and-quarterly.ics2073Premier resort tax return due - monthly and quarterly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Police-and-fire-protection-fee-due-monthly.ics2074Police and fire protection fee due - monthly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Rental-vehicle-tax-return-due-quarterly.ics2075Rental vehicle tax return due - quarterly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics2076Alternate fuel, terminal operator return due - monthly, quarterly
  
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-02-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2077Supplier-shipper-transporter fuel tax return due - monthly
  
11/8/2020 12:00 AM11/8/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-08-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am–noon.ics2045Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage all day 5am – noon
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-WT-6-deposit-report-due-semi-monthly.ics2078WT-6 deposit report due - semi-monthly
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-PW-1-Estates-and-trusts-extension-deadline.ics2079PW-1 (Estates and trusts) extension deadline
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-Corporation-tax-return-extension-deadline-Non-combined-and-Combined.ics2080Corporation tax return extension deadline (Non-combined and Combined)
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-Cigarette-tobacco-products-return-due-monthly.ics2081Cigarette tobacco products return due - monthly
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-Liquor-beer-return-due-monthly.ics2082Liquor beer return due - monthly
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-Liquor-beer-return-due-monthly.ics2083Supplier-shipper-transporter fuel tax payment due - monthly
  
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-16-Blenders-fuel-tax-return-due-intermittent-monthly.ics2084Blenders fuel tax return due intermittent monthly
  
11/20/2020 12:00 AM11/20/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-20-Sales-and-use-tax-return-due-early-monthly.ics2085Sales and use tax return due - early monthly
  
11/20/2020 12:00 AM11/20/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-20-Aviation-fuel-tax-return-due-monthly.ics2086Aviation fuel tax return due - monthly
  
11/26/2020 9:00 AM11/26/2020 10:00 AM1922State Holiday - Offices Closed
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-Sales-and-use-tax-return-due-monthly.ics2087Sales and use tax return due - monthly
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-WT-6-deposit-report-due-semi-monthly-monthly.ics2088WT-6 deposit report due - semi-monthly, monthly
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-Local-expo-tax-return-due-monthly.ics2089Local expo tax return due - monthly
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-Premier-resort-tax-return-due-monthly.ics2090Premier resort tax return due - monthly
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-Police-and-fire-protection-fee-due-monthly.ics2091Police and fire protection fee due - monthly
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-Alternate-fuel-terminal-operator-return-due-monthly.ics2093Alternate fuel, terminal operator return due - monthly
  
11/30/2020 12:00 AM11/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-11-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2094Supplier, shipper, transporter fuel tax return due - monthly
  
12/6/2020 12:00 AM12/6/2020 11:59 PMYeshttps://revenue2016-auth-prod.wi.gov/EventDownloads/Businesses/2020-12-06-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am–noon.ics2046Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage all day 5am – noon
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-WT-6-deposit-report-due-semi-monthly.ics2096WT-6 deposit report due semi-monthly
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-Exempt-corporation-tax-return-extension-deadline.ics2097Exempt corporation tax return extension deadline
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-Exempt-non-employees-trust-IRA-MSA-Fiduciary-tax-return-extension-deadline.ics2098Exempt non-employee's trust, IRA, MSA Fiduciary tax return extension deadline
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-Cigarette-tobacco-products-return-due-monthly.ics2099Cigarette, tobacco products return due - monthly
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-Liquor-beer-return-due-monthly.ics2100Liquor, beer return due - monthly
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2101Supplier, shipper, transporter fuel tax payment due - monthly
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2102Blenders fuel tax return due - intermittent monthly
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-4th-pass-through-withholding-estimated-payment-due.ics21034th pass-through withholding estimated payment due
  
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-15-4th-corporation-estimated-payment-due.ics21044th corporation estimated payment due
  
12/21/2020 12:00 AM12/21/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-21-Sales-and-use-tax-return-due-early-monthly.ics2105Sales and use tax return due - early monthly
  
12/21/2020 12:00 AM12/21/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2020-12-21-Aviation-fuel-tax-return-due-monthly.ics2106Aviation fuel tax return due - monthly
  
12/24/2020 12:00 AM12/24/2020 11:59 PMYes1924State Holiday - Offices Closed
  
12/25/2020 12:00 AM12/25/2020 11:59 PMYes1923State Holiday - Offices Closed
  
12/31/2020 12:00 AM12/31/2020 11:59 PMYes1925State Holiday - Offices Closed
  
1/1/2021 12:00 AM1/1/2021 11:59 PMYes1926State Holiday - Offices Closed