Tax Professionals Calendar

  
Description
  
  
  
  
  
  
Sales and use tax return due - monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Sales-and-use-tax-return-due-monthly.ics1980
Fiduciary tax return extension deadline
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Fiduciary-tax-return-extension-deadline.ics1981
WT-6 deposit report due - semi-monthly and monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-WT-6-deposit-report-due-semi-monthly-and-monthly.ics1982
Local expo tax return due - monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Local-expo-tax-return-due-monthly.ics1983
Premier resort tax return due - monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Premier-resort-tax-return-due-monthly.ics1984
Police and fire protection fee due - monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Police-and-fire-protection-fee-due-monthly.ics1985
Alternate fuel, terminal operator return due - monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Alternate-fuel-terminal-operator-return-due-monthly.ics1986
Supplier shipper transporter fuel tax return due - monthly
9/30/2020 12:00 AM9/30/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-09-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics1987
1CNP extension deadline
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-1CNP-extension-deadline.ics1988
1CNS extension deadline
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-1CNS-extension-deadline.ics1989
S Corporation tax return extension deadline
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-S-Corporation-tax-return-extension-deadline.ics1990
Exempt 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/TaxProfessionals/2020-10-15-Exempt-employee's-trust-ISA-MSA-Fiduciary-tax-return-extension-deadline.ics1991
PW-1 (Partnerships) extension deadline
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-PW-1-(Partnerships)-extension-deadline.ics1992
PW-1 (S Corps) extension deadline
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-PW-1-(S-Corps)-extension-deadline.ics1993
WT-6 deposit report due - semi-monthly
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-WT-6-deposit-report-due-semi-monthly.ics1994
Cigarette tobacco products return due - monthly, quarterly
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics1996
Liquor beer return due - monthly
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-Liquor-beer-return-due-monthly.ics1997
Supplier shipper transporter fuel tax payment due - monthly
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics1998
Blenders fuel tax return due - intermittent monthly
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics1999
Wine direct shippers return due - quarterly
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-Wine-direct-shippers-return-due-quarterly.ics2000
Individual income tax returns extension deadline
10/15/2020 12:00 AM10/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-15-Individual-income-tax-returns-extension-deadline.ics2001
Wisconsin e-File Wisconsin Telefile and My Tax Account file outage 5am-noon.ics
10/18/2020 12:00 AM10/18/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-18-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am-noon.ics2047
Sales and use tax return due - early monthly
10/21/2020 12:00 AM10/21/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-21-Sales-and-use-tax-return-due-early-monthly.ics2002
Aviation fuel tax return due - monthly, quarterly
10/21/2020 12:00 AM10/21/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-21-Aviation-fuel-tax-return-due-monthly-quarterly.ics2003
3rd quarter dry cleaning fee returns due
10/26/2020 12:00 AM10/26/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-10-26-3rd-quarter-dry-cleaning-fee-returns-due.ics2004
Sales and use tax return due - monthly and quarterly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Sales-and-use-tax-return-due-monthly-and-quarterly.ics2006
Holder reports due
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Holder-reports-due.ics2007
WT-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/TaxProfessionals/2020-11-02-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics2008
Local expo tax return due - monthly and quarterly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Local-expo-tax-return-due-monthly-and-quarterly.ics2009
Premier resort tax return due - monthly and quarterly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Premier-resort-tax-return-due-monthly-and-quarterly.ics2010
Police and fire protection fee due - monthly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Police-and-fire-protection-fee-due-monthly.ics2011
Rental vehicle tax return due - quarterly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Rental-vehicle-tax-return-due-quarterly.ics2012
Alternate fuel, terminal operator return due - monthly, quarterly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics2013
Supplier-shipper-transporter fuel tax return due - monthly
11/2/2020 12:00 AM11/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-02-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2014
Wisconsin e-File Wisconsin Telefile and My Tax Account file outage 5am-noon.ics
11/8/2020 12:00 AM11/8/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-08-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am-noon.ics2048
My Tax Account,  Wisconsin Telefile and Wis e-File system file outage 5am - noon
11/10/2020 12:00 AM11/10/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-10-My-Tax-Account-Wisconsin-Telefile-and-Wis-e-File-system-file-outage-5am-noon.ics2015
WT-6 deposit report due - semi-monthly
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-WT-6-deposit-report-due-semi-monthly.ics2016
PW-1 (Estates and trusts) extension deadline
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-PW-1-Estates-and-trusts-extension-deadline.ics2017
Corporation tax return extension deadline (Non-combined and Combined)
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-Corporation-tax-return-extension-deadline-Non-combined-and-Combined.ics2018
Cigarette tobacco products return due - monthly
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-Cigarette-tobacco-products-return-due-monthly.ics2019
Liquor beer return due - monthly
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-Liquor-beer-return-due-monthly.ics2020
Supplier-shipper-transporter fuel tax payment due - monthly
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2021
Blenders fuel tax return due intermittent monthly
11/16/2020 12:00 AM11/16/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-16-Blenders-fuel-tax-return-due-intermittent-monthly.ics2022
Sales and use tax return due - early monthly
11/20/2020 12:00 AM11/20/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-20-Sales-and-use-tax-return-due-early-monthly.ics2023
Aviation fuel tax return due - monthly
11/20/2020 12:00 AM11/20/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-11-20-Aviation-fuel-tax-return-due-monthly.ics2024
State Holiday - Offices Closed
11/26/2020 12:00 AM11/26/2020 11:59 PMYes1860
Sales and use tax return due - monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-Sales-and-use-tax-return-due-monthly.ics2025
WT-6 deposit report due - semi-monthly and monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-WT-6-deposit-report-due-semi-monthly-and-monthly.ics2026
Local expo tax return due - monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-Local-expo-tax-return-due-monthly.ics2027
Premier resort tax return due - monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-Premier-resort-tax-return-due-monthly.ics2028
Police and fire protection fee due - monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-Police-and-fire-protection-fee-due-monthly.ics2030
Alternate fuel, terminal operator return due - monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-Alternate-fuel-terminal-operator-return-due-monthly.ics2031
Supplier, shipper, transporter fuel tax return due - monthly
12/2/2020 12:00 AM12/2/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-02-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics2032
Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon
12/6/2020 12:00 AM12/6/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-06-Wisconsin-e-File-Wisconsin-Telefile-and-My-Tax-Account-file-outage-5am-noon.ics2033
WT-6 deposit report due - semi-monthly
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-WT-6-deposit-report-due-semi-monthly.ics2034
Exempt corporation tax return extension deadline
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-Exempt-corporation-tax-return-extension-deadline.ics2035
Exempt 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/TaxProfessionals/2020-12-15-Exempt-non-employees-trust-IRA-MSA-Fiduciary-tax-return-extension-deadline.ics2036
Cigarette tobacco products return due - monthly
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-Cigarette-tobacco-products-return-due-monthly.ics2037
Liquor beer return due - monthly
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-Liquor-beer-return-due-monthly.ics2038
Supplier, shipper, transporter fuel tax payment due - monthly
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics2039
Blenders fuel tax return due - intermittent monthly
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics2040
PW-ES 4th pass-through withholding estimated payment due
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-PW-ES-4th-pass-through-withholding-estimated-payment-due.ics2041
Corp-ES 4th corporation estimated payment due
12/15/2020 12:00 AM12/15/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-15-Corp-ES-4th-corporation-estimated-payment-due.ics2042
Sales and use tax return due - early monthly
12/21/2020 12:00 AM12/21/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-21-Sales-and-use-tax-return-due-early-monthly.ics2043
Aviation fuel tax return due - monthly
12/21/2020 12:00 AM12/21/2020 11:59 PMYeshttps://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2020-12-21-Aviation-fuel-tax-return-due-monthly.ics2044
State Holiday - Offices Closed
12/24/2020 12:00 AM12/24/2020 11:59 PMYes1861
State Holiday - Offices Closed
12/25/2020 12:00 AM12/25/2020 11:59 PMYes1862
State Holiday - Offices Closed
12/31/2020 12:00 AM12/31/2020 11:59 PMYes1863
State Holiday - Offices Closed
1/1/2021 12:00 AM1/1/2021 11:59 PMYes1864