Businesses Calendar

  
  
Description
  
  
  
  
  
  
  
  
  
8/8/2021 12:00 AM8/8/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-08-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am-noon.ics2243Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon
  
8/16/2021 12:00 AM8/16/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/WT-6 deposit-report-due-semi-monthly.ics2244WT-6 deposit report due - semi-monthly
  
8/16/2021 12:00 AM8/16/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/Cigarette-tobacco-products-return-due-monthly.ics2245Cigarette-tobacco products return due - monthly
  
8/16/2021 12:00 AM8/16/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-16-Liquor-beer-return-due-monthly.ics2246Liquor-beer return due - monthly
  
8/16/2021 12:00 AM8/16/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-16-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2247Supplier-shipper-transporter fuel tax payment due - monthly
  
8/16/2021 12:00 AM8/16/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-16-Blenders-fuel-tax-return-due-intermittent-monthly.ics2248Blenders fuel tax return due - intermittent monthly
  
8/20/2021 12:00 AM8/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-20-Sales-and-use-tax-return-due-early-monthly.ics2249Sales and use tax return due - early monthly
  
8/20/2021 12:00 AM8/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-20-Aviation-fuel-tax-return-due-monthly.ics2250Aviation fuel tax return due - monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-Sales-and-use-tax-return-due-monthly.ics2251Sales and use tax return due - monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-WT-6-deposit-report-due-semi-monthly-monthly.ics2252WT-6 deposit report due - semi-monthly, monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-Local-expo-tax-return-due-monthly.ics2253Local expo tax return due - monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-Premier-resort-tax-return-due-monthly.ics2254Premier resort tax return due - monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-Police-and-fire-protection-fee-due-monthly.ics2255Police and fire protection fee due - monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-Alternate-fuel-terminal-operator-return-due-monthly.ics2256Alternate fuel, terminal operator return due - monthly
  
8/31/2021 12:00 AM8/31/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-08-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2257Supplier-shipper-transporter fuel tax return due - monthly
  
9/6/2021 12:00 AM9/6/2021 11:59 PMYes2258State of Wisconsin holiday - Revenue offices closed
  
9/11/2021 12:00 AM9/11/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-11-My-Tax-Account-Wisconsin-Telefile-and-Wis-e-File-system-file-outage-all-day.ics2259My Tax Account,  Wisconsin Telefile and Wis e-File system file outage all day
  
9/12/2021 12:00 AM9/12/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-12-My-Tax-Account-Wisconsin-Telefile-and-Wis-e-File-system-file-outage-all-day.ics2260My Tax Account,  Wisconsin Telefile and Wis e-File system file outage all day
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-WT-6-deposit-report-due -semi-monthly.ics2261WT-6 deposit report due - semi-monthly
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-Cigarette-tobacco-products-return-due-monthly.ics2262Cigarette, tobacco products return due - monthly
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-Liquor-beer-return-due-monthly.ics2263Liquor, beer return due - monthly
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2264Supplier, shipper, transporter fuel tax payment due - monthly
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2265Blenders fuel tax return due - intermittent monthly
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-PW-ES-3rd-pass-through-withholding-estimated-payment-due.ics2266PW-ES 3rd pass-through withholding estimated payment due
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-Partnership-tax-return-extension-deadline.ics2267Partnership tax return extension deadline
  
9/15/2021 12:00 AM9/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-15-Corp-ES-3rd-corporation-estimated-payment-due.ics2268Corp-ES 3rd corporation estimated payment due
  
9/20/2021 12:00 AM9/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-20-Sales-and-use-tax-return-due-early-monthly.ics2269Sales and use tax return due - early monthly
  
9/20/2021 12:00 AM9/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-20-Aviation-fuel-tax-return-due-monthly.ics2270Aviation fuel tax return due - monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Sales-and-use-tax-return-due-monthly.ics2271Sales and use tax return due - monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Fiduciary-tax-return-extension-deadline.ics2272Fiduciary tax return extension deadline
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-WT-6-deposit-report-due-semi-monthly-and-monthly.ics2273WT-6 deposit report due - semi-monthly and monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Local-expo-tax-return-due-monthly.ics2274Local expo tax return due - monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Premier-resort-tax-return-due-monthly.ics2275Premier resort tax return due - monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Police-and-fire-protection-fee-due-monthly.ics2276Police and fire protection fee due - monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Alternate-fuel-terminal-operator-return-due-monthly.ics2277Alternate fuel, terminal operator return due - monthly
  
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-09-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2278Supplier, shipper, transporter fuel tax return due - monthly
  
10/3/2021 12:00 AM10/3/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-03-My-Tax-Account-Wisconsin-Telefile-and-Wis-e-File-system-file-outage-5am-noon.ics2279My Tax Account,  Wisconsin Telefile and Wis e-File system file outage 5am-noon
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-1CNP-extension-deadline.ics22801CNP extension deadline
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-1CNS-extension-deadline.ics22811CNS extension deadline
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-S-Corporation-tax-return-extension-deadline.ics2282S Corporation tax return extension deadline
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Exempt-employees-trust-ISA-MSA-Fiduciary-tax-return-extension-deadline.ics2283Exempt employee's trust, ISA, MSA Fiduciary tax return extension deadline
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-PW-1-(Partnerships)-extension-deadline.ics2284PW-1 (Partnerships) extension deadline
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-PW-1-(S-Corps)-extension-deadline.ics2285PW-1 (S Corps) extension deadline
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics2286Cigarette, tobacco products return due - monthly, quarterly
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Liquor-beer-return-due-monthly.ics2287Liquor, beer return due - monthly
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2288Supplier, shipper, transporter fuel tax payment due - monthly
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2289Blenders fuel tax return due - intermittent monthly
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Wine-direct-shippers-return-due-quarterly.ics2290Wine direct shippers return due - quarterly
  
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics2295Cigarette, tobacco products return due - monthly, quarterly
  
10/20/2021 12:00 AM10/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-20-Sales-and-use-tax-return-due-early-monthly.ics2292Sales and use tax return due - early monthly
  
10/20/2021 12:00 AM10/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-20-Aviation-fuel-tax-return-due-monthly-quarterly.ics2293Aviation fuel tax return due - monthly, quarterly
  
10/25/2021 12:00 AM10/25/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-10-25-3rd-quarter-dry-cleaning-fee-returns-due.ics22943rd quarter dry cleaning fee returns due
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Sales-and-use-tax-return-due-monthly-and-quarterly.ics2296Sales and use tax return due - monthly and quarterly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics2297WT-6 deposit report due - semi-monthly, monthly and quarterly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Local-expo-tax-return-due-monthly-and-quarterly.ics2298Local expo tax return due - monthly and quarterly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Premier-resort-tax-return-due-monthly-and-quarterly.ics2299Premier resort tax return due - monthly and quarterly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Police-and-fire-protection-fee-due-monthly.ics2300Police and fire protection fee due - monthly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Rental-vehicle-tax-return-due-quarterly.ics2301Rental vehicle tax return due - quarterly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics2302Alternate fuel, terminal operator return due - monthly, quarterly
  
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-01-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2303Supplier, shipper, transporter fuel tax return due - monthly
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-WT-6-deposit-report-due-semi-monthly.ics2304WT-6 deposit report due - semi-monthly
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-PW-1-Estates-and-trusts-extension-deadline.ics2305PW-1 (Estates and trusts) extension deadline
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-Corporation-tax-return-extension-deadline-Non-combined-and-combined.ics2306Corporation tax return extension deadline (Non-combined and combined)
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-Cigarette-tobacco-products-return-due-monthly.ics2307Cigarette, tobacco products return due - monthly
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-Liquor-beer-return-due-monthly.ics2309Liquor, beer return due - monthly
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2310Supplier, shipper, transporter fuel tax payment due - monthly
  
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2311Blenders fuel tax return due - intermittent monthly
  
11/22/2021 12:00 AM11/22/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-22-Sales-and-use-tax-return-due-early-monthly.ics2312Sales and use tax return due - early monthly
  
11/22/2021 12:00 AM11/22/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-22-Aviation-fuel-tax-return-due-monthly.ics2313Aviation fuel tax return due - monthly
  
11/25/2021 12:00 AM11/25/2021 11:59 PMYes2314State of Wisconsin holiday - Revenue offices closed
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-Sales-and-use-tax-return-due-monthly.ics2315Sales and use tax return due - monthly
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-WT-6-deposit-report-due-semi-monthly-monthly.ics2316WT-6 deposit report due - semi-monthly, monthly
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-Local-expo-tax-return-due-monthly.ics2317Local expo tax return due - monthly
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-Premier-resort-tax-return-due-monthly.ics2318Premier resort tax return due - monthly
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-Police-and-fire-protection-fee-due-monthly.ics2319Police and fire protection fee due - monthly
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-Alternate-fuel-terminal-operator-return-due-monthly.ics2320Alternate fuel, terminal operator return due - monthly
  
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2321Supplier, shipper, transporter fuel tax return due - monthly
  
12/5/2021 12:00 AM12/5/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-05-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-all-day.ics2322Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage all day
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-WT-6-deposit-report-due-semi-monthly.ics2323WT-6 deposit report due - semi-monthly
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-11-15-Exempt-corporation-tax-return-extension-deadline.ics2324Exempt corporation tax return extension deadline
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Exempt-non-employees-trust-IRA-MSA-Fiduciary-tax-return-extension-deadline.ics2325Exempt non-employee's trust, IRA, MSA Fiduciary  tax return extension deadline
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Cigarette-tobacco-products-return-due-monthly.ics2326Cigarette, tobacco products return due - monthly
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Liquor-beer-return-due-monthly.ics2327Liquor, beer return due - monthly
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2328Supplier, shipper, transporter fuel tax payment due - monthly
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2329Blenders fuel tax return due - intermittent monthly
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-4th-pass-through-withholding-estimated-payment-due.ics23304th pass-through withholding estimated payment due
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-4th-corporation-estimated-payment-due.ics23314th corporation estimated payment due
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Sales-and-use-tax-return-due-early-monthly.ics2332Sales and use tax return due - early monthly
  
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/Businesses/2021-12-15-Aviation-fuel-tax-return-due-monthly.ics2333Aviation fuel tax return due - monthly
  
12/24/2021 12:00 AM12/24/2021 11:59 PMYes2334State of Wisconsin holiday - Revenue offices closed
  
12/31/2021 12:00 AM12/31/2021 11:59 PMYes2335State of Wisconsin holiday - Revenue offices closed