Tax Professionals Calendar

  
Description
  
  
  
  
  
  
Sales and use tax return due - monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Sales-and-use-tax-return-due-monthly.ics2230
Fiduciary tax return extension deadline
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Fiduciary-tax-return-extension-deadline.ics2231
WT-6 deposit report due - semi-monthly and monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-WT-6-deposit-report-due-semi-monthly-and-monthly.ics2232
Local expo tax return due - monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Local-expo-tax-return-due-monthly.ics2233
Premier resort tax return due - monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Premier-resort-tax-return-due-monthly.ics2234
Police and fire protection fee due - monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Police-and-fire-protection-fee-due-monthly.ics2235
Alternate fuel, terminal operator return due - monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Alternate-fuel-terminal-operator-return-due-monthly.ics2236
Supplier, shipper, transporter fuel tax return due - monthly
9/30/2021 12:00 AM9/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-09-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2237
My Tax Account, Wisconsin Telefile and Wis e-File system file outage 5am-noon
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.ics2238
1CNP extension deadline
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-1CNP-extension-deadline.ics2239
1CNS extension deadline
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-1CNS-extension-deadline.ics2240
S Corporation tax return extension deadline
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-S-Corporation-tax-return-extension-deadline.ics2241
Exempt 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/TaxProfessionals/2021-10-15-Exempt-employees-trust-ISA-MSA-Fiduciary-tax-return-extension-deadline.ics2242
PW-1 (Partnerships) extension deadline
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-PW-1-(Partnerships)-extension-deadline.ics2243
PW-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-PW-1-(S-Corps)-extension-deadline.ics2244
Cigarette, 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-Cigarette-tobacco-products-return-due-monthly-quarterly.ics2245
Liquor, beer return due - monthly
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.ics2246
Supplier, shipper, transporter fuel tax payment due - monthly
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2247
Blenders fuel tax return due - intermittent monthly
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2248
Wine direct shippers return due - quarterly
10/15/2021 12:00 AM10/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-15-Wine-direct-shippers-return-due-quarterly.ics2249
Sales and use tax return due - early monthly
10/20/2021 12:00 AM10/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-20-Sales-and-use-tax-return-due-early-monthly.ics2250
Aviation fuel tax return due - monthly, quarterly
10/20/2021 12:00 AM10/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-20-Aviation-fuel-tax-return-due-monthly-quarterly.ics2251
3rd quarter dry cleaning fee returns due
10/25/2021 12:00 AM10/25/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-10-25-3rd-quarter-dry-cleaning-fee-returns-due.ics2252
Sales and use tax return due - monthly and quarterly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Sales-and-use-tax-return-due-monthly-and-quarterly.ics2254
WT-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/TaxProfessionals/2021-11-01-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics2255
Local expo tax return due - monthly and quarterly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Local-expo-tax-return-due-monthly-and-quarterly.ics2256
Premier resort tax return due - monthly and quarterly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Premier-resort-tax-return-due-monthly-and-quarterly.ics2257
Police and fire protection fee due - monthly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Police-and-fire-protection-fee-due-monthly.ics2258
Rental vehicle tax return due - quarterly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Rental-vehicle-tax-return-due-quarterly.ics2259
Alternate fuel, terminal operator return due - monthly, quarterly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics2260
Supplier, shipper, transporter fuel tax return due - monthly
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2261
Holder reports due
11/1/2021 12:00 AM11/1/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-01-Holder-reports-due.ics2262
WT-6 deposit report due - semi-monthly
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-WT-6-deposit-report-due-semi-monthly.ics2263
PW-1 (Estates and trusts) extension deadline
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-PW-1-Estates-and-trusts-extension-deadline.ics2264
Corporation tax return extension deadline (Non-combined and combined)
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Corporation-tax-return-extension-deadline-Non-combined-and-combined.ics2265
Cigarette, tobacco products return due - monthly
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Cigarette-tobacco-products-return-due-monthly.ics2266
Cigarette, tobacco products return due - monthly
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Cigarette-tobacco-products-return-due-monthly.ics2267
Liquor, beer return due - monthly
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Liquor-beer-return-due-monthly.ics2268
Supplier, shipper, transporter fuel tax payment due - monthly
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2269
Blenders fuel tax return due - intermittent monthly
11/15/2021 12:00 AM11/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2270
Sales and use tax return due - early monthly
11/22/2021 12:00 AM11/22/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-22-Sales-and-use-tax-return-due-early-monthly.ics2271
Aviation fuel tax return due - monthly
11/22/2021 12:00 AM11/22/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-22-Aviation-fuel-tax-return-due-monthly.ics2272
State of Wisconsin holiday - Revenue offices closed
11/25/2021 12:00 AM11/25/2021 11:59 PMYes2157
Sales and use tax return due - monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-Sales-and-use-tax-return-due-monthly.ics2273
WT-6 deposit report due - semi-monthly, monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-WT-6-deposit-report-due-semi-monthly-monthly.ics2274
Local expo tax return due - monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-Local-expo-tax-return-due-monthly.ics2276
Premier resort tax return due - monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-Premier-resort-tax-return-due-monthly.ics2277
Police and fire protection fee due - monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-Police-and-fire-protection-fee-due-monthly.ics2278
Alternate fuel, terminal operator return due - monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-Alternate-fuel-terminal-operator-return-due-monthly.ics2279
Supplier, shipper, transporter fuel tax return due - monthly
11/30/2021 12:00 AM11/30/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2280
Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon
12/5/2021 12:00 AM12/5/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-05-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-all-day.ics2281
WT-6 deposit report due - semi-monthly
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15- WT-6-deposit-report-due-semi-monthly.ics2282
Exempt corporation tax return extension deadline
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-11-15-Exempt-corporation-tax-return-extension-deadline.ics2283
Exempt 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/TaxProfessionals/2021-12-15-Exempt-non-employees-trust-IRA-MSA-Fiduciary-tax-return-extension-deadline.ics2284
Cigarette, tobacco products return due - monthly
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15-Cigarette-tobacco-products-return-due-monthly.ics2285
Liquor, beer return due - monthly
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15-Liquor-beer-return-due-monthly.ics2286
Supplier, shipper, transporter fuel tax payment due - monthly
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2287
Blenders fuel tax return due - intermittent monthly
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2288
4th pass-through withholding estimated payment due
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15-4th-pass-through-withholding-estimated-payment-due.ics2289
4th corporation estimated payment due
12/15/2021 12:00 AM12/15/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-15-4th-corporation-estimated-payment-due.ics2290
Sales and use tax return due - early monthly
12/20/2021 12:00 AM12/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-20-Sales-and-use-tax-return-due-early-monthly.ics2291
Aviation fuel tax return due - monthly
12/20/2021 12:00 AM12/20/2021 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2021-12-20-Aviation-fuel-tax-return-due-monthly.ics2292
State of Wisconsin holiday - Revenue offices closed
12/24/2021 12:00 AM12/24/2021 11:59 PMYes2160
State of Wisconsin holiday - Revenue offices closed
12/31/2021 12:00 AM12/31/2021 11:59 PMYes2159