| 1-ES 3rd quarter individual income tax estimated payment due | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-1-ES-3rd-quarter-individual-income-tax-estimated-payment-due.ics | 2945 |
| WT-6 deposit report due - semi-monthly | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-WT-6-deposit-report-due-semi-monthly.ics | 2946 |
| Cigarette, tobacco products return due - monthly | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-Cigarette-tobacco-products-return-due-monthly.ics | 2947 |
| Liquor, beer return due - monthly | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-Liquor-beer-return-due-monthly.ics | 2948 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2949 |
| Blenders fuel tax return due - intermittent monthly | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2950 |
| PW-ES 3rd pass-through withholding estimated payment due | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-PW-ES-3rd-pass-through-withholding-estimated-payment-due.ics | 2951 |
| Partnership tax return extension deadline | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-Partnership-tax-return-extension-deadline.ics | 2952 |
| Corp-ES 3rd corporation estimated payment due | | 9/16/2024 12:00 AM | 9/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-16-Corp-ES-3rd-corporation-estimated-payment-due.ics | 2953 |
| Sales and use tax return due - early monthly | | 9/20/2024 12:00 AM | 9/20/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-20-Sales-and-use-tax-return-due-early-monthly.ics | 2954 |
| Aviation fuel tax return due - monthly | | 9/20/2024 12:00 AM | 9/20/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-20-Aviation-fuel-tax-return-due-monthly.ics | 2955 |
| My Tax Account, Wisconsin Telefile and Wis e-File system file outage 5am - Noon | | 9/29/2024 12:00 AM | 9/29/2024 11:59 PM | | Yes | | 2866 |
| Sales and use tax return due - monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Sales-and-use-tax-return-due-monthly.ics | 2956 |
| Fiduciary tax return extension deadline | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Fiduciary-tax-return-extension-deadline.ics | 2957 |
| WT-6 deposit report due - semi-monthly and monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-WT-6-deposit-report-due-semi-monthly-and-monthly.ics | 2958 |
| Local expo tax return due - monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Local-expo-tax-return-due-monthly.ics | 2959 |
| Premier resort tax return due - monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Premier-resort-tax-return-due-monthly.ics | 2960 |
| Police and fire protection fee due - monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Police-and-fire-protection-fee-due-monthly.ics | 2961 |
| Alternate fuel, terminal operator return due - monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Alternate-fuel-terminal-operator-return-due-monthly.ics | 2962 |
| Supplier, shipper, transporter fuel tax return due - monthly | | 9/30/2024 12:00 AM | 9/30/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-09-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2963 |
| 1CNP extension deadline | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-1CNP-extension-deadline.ics | 2965 |
| 1CNS extension deadline | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-1CNS extension deadline.ics | 2966 |
| S Corporation tax return extension deadline | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-S-Corporation-tax-return-extension-deadline.ics | 2967 |
| Exempt employees trust, ISA, MSA Fiduciary tax return extension deadline | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-Exempt-employees-trust-ISA-MSA-Fiduciary-tax-return-extension-deadline.ics | 2968 |
| PW-1 (Partnerships) extension deadline | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-PW-1-(Partnerships)-extension-deadline.ics | 2969 |
| PW-1 (S Corps) extension deadline | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-PW-1-(S Corps)-extension-deadline.ics | 2970 |
| Cigarette, tobacco products return due - monthly, quarterly | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics | 2971 |
| Liquor, beer return due - monthly | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-Liquor-beer-return-due-monthly.ics | 2972 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2973 |
| Blenders fuel tax return due - intermittent monthly | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2974 |
| Wine direct shippers return due - quarterly | | 10/15/2024 12:00 AM | 10/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-15-Wine-direct-shippers-return-due-quarterly.ics | 2975 |
| Sales and use tax return due - early monthly | | 10/21/2024 12:00 AM | 10/21/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-21-Sales-and-use-tax-return-due-early-monthly.ics | 2976 |
| Aviation fuel tax return due - monthly, quarterly | | 10/21/2024 12:00 AM | 10/21/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-21-Aviation-fuel-tax-return-due-monthly-quarterly.ics | 2977 |
| 3rd quarter dry cleaning fee returns due | | 10/25/2024 12:00 AM | 10/25/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-25-3rd-quarter-dry-cleaning-fee-returns-due.ics | 2978 |
| My Tax Account, Wisconsin Telefile and Wis e-File system file outage all day | | 10/26/2024 12:00 AM | 10/26/2024 11:59 PM | | Yes | | 3023 |
| My Tax Account, Wisconsin Telefile and Wis e-File system file outage all day | | 10/27/2024 12:00 AM | 10/27/2024 11:59 PM | | Yes | | 2867 |
| Holder reports due | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Holder-reports-due.ics | 2979 |
| Sales and use tax return due - monthly and quarterly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Sales-and-use-tax-return-due-monthly-and-quarterly.ics | 2980 |
| WT-6 deposit report due - semi-monthly, monthly and quarterly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics | 2981 |
| Local expo tax return due - monthly and quarterly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Local-expo-tax-return-due-monthly-and-quarterly.ics | 2982 |
| Premier resort tax return due - monthly and quarterly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Premier-resort-tax-return-due-monthly-and-quarterly.ics | 2983 |
| Police and fire protection fee due - monthly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Police-and-fire-protection-fee-due-monthly.ics | 2984 |
| Rental vehicle tax return due - quarterly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Rental-vehicle-tax-return-due-quarterly.ics | 2985 |
| Alternate fuel, terminal operator return due - monthly, quarterly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics | 2986 |
| Supplier, shipper, transporter fuel tax return due - monthly | | 10/31/2024 12:00 AM | 10/31/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-10-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2987 |
| WT-6 deposit report due - semi-monthly | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-WT-6-deposit-report-due-semi-monthly.ics | 2988 |
| PW-1 (Estates and trusts) extension deadline | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-PW-1-(Estates-and-trusts)-extension-deadline.ics | 2989 |
| Corporation tax return extension deadline (Non-combined and combined) | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-Corporation-tax-return-extension-deadline-(Non-combined-and-combined).ics | 2990 |
| Cigarette, tobacco products return due - monthly | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-Cigarette-tobacco-products-return-due-monthly.ics | 2991 |
| Liquor, beer return due - monthly | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-Liquor-beer-return-due-monthly.ics | 2992 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2993 |
| Blenders fuel tax return due - intermittent monthly | | 11/15/2024 12:00 AM | 11/15/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2994 |
| Sales and use tax return due - early monthly | | 11/20/2024 12:00 AM | 11/20/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-20-Sales-and-use-tax-return-due-early-monthly.ics | 2995 |
| Aviation fuel tax return due - monthly | | 11/20/2024 12:00 AM | 11/20/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-11-20-Aviation-fuel-tax-return-due-monthly.ics | 2996 |
| State of Wisconsin holiday - Revenue offices closed | | 11/28/2024 12:00 AM | 11/28/2024 11:59 PM | | Yes | | 2997 |
| Sales and use tax return due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-Sales-and-use-tax-return-due-monthly.ics | 2998 |
| WT-6 deposit report due - semi-monthly, monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-WT-6-deposit-report-due-semi-monthly-monthly.ics | 2999 |
| Local expo tax return due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-Local-expo-tax-return-due-monthly.ics | 3000 |
| Premier resort tax return due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-Premier-resort-tax-return-due-monthly.ics | 3001 |
| Police and fire protection fee due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-Police-and-fire-protection-fee-due-monthly.ics | 3002 |
| Alternate fuel, terminal operator return due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-Alternate-fuel-terminal-operator-return-due-monthly.ics | 3003 |
| Supplier, shipper, transporter fuel tax return due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-02-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 3004 |
| Premier resort tax return due - monthly | | 12/2/2024 12:00 AM | 12/2/2024 11:59 PM | | Yes | | 3021 |
| Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon | | 12/8/2024 12:00 AM | 12/8/2024 11:59 PM | | Yes | | 2868 |
| WT-6 deposit report due - semi-monthly | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-WT-6-deposit-report-due-semi-monthly.ics | 3005 |
| Exempt corporation tax return extension deadline | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Exempt-corporation-tax-return-extension-deadline.ics | 3006 |
| Exempt non-employee's trust, IRA, MSA Fiduciary tax return extension deadline | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Exempt-non-employees-trust-IRA-MSA-Fiduciary-tax-return-extension-deadline.ics | 3007 |
| Cigarette, tobacco products return due - monthly | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Cigarette-tobacco-products-return-due-monthly.ics | 3008 |
| Liquor, beer return due - monthly | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Liquor-beer-return-due-monthly.ics | 3009 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 3010 |
| Blenders fuel tax return due - intermittent monthly | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 3011 |
| 4th pass-through withholding estimated payment due | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-4th-pass-through-withholding-estimated-payment-due.ics | 3012 |
| 4th corporation estimated payment due | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-4th-corporation-estimated-payment-due.ics | 3013 |
| Cigarette, tobacco products return due - monthly | | 12/16/2024 12:00 AM | 12/16/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-16-Cigarette-tobacco-products-return-due-monthly.ics | 3022 |
| Sales and use tax return due - early monthly | | 12/20/2024 12:00 AM | 12/20/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-20-Sales-and-use-tax-return-due-early-monthly.ics | 3014 |
| Aviation fuel tax return due - monthly | | 12/20/2024 12:00 AM | 12/20/2024 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2024-12-20-Aviation-fuel-tax-return-due-monthly.ics | 3015 |
| State of Wisconsin holiday - Revenue offices closed | | 12/24/2024 12:00 AM | 12/24/2024 11:59 PM | | Yes | | 3016 |
| State of Wisconsin holiday - Revenue offices closed | | 12/25/2024 12:00 AM | 12/25/2024 11:59 PM | | Yes | | 3017 |
| State of Wisconsin holiday - Revenue offices closed | | 12/31/2024 12:00 AM | 12/31/2024 11:59 PM | | Yes | | 3018 |
| State of Wisconsin holiday - Revenue offices closed | | 1/1/2025 12:00 AM | 1/1/2025 11:59 PM | | Yes | | 3019 |
| State of Wisconsin holiday - Revenue offices closed | | 1/20/2025 12:00 AM | 1/20/2025 11:59 PM | | Yes | | 3020 |