| 4th quarter dry cleaning fee returns due | | 1/27/2025 12:00 AM | 1/27/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-27-4th-quarter-dry-cleaning-fee-returns-due.ics | 3039 |
| Sales and use tax return due - monthly, quarterly and annual | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-Sales-and-use-tax-return-due-monthly-quarterly-and-annual.ics | 3040 |
| WT-6 deposit report due - semi-monthly, monthly and quarterly | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics | 3041 |
| WT-7 reconciliation due, including wage statements (w2s) and information returns (1099s) | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-WT-7-reconciliation-due-including-wage-statements-(w2s)-and-information-returns.ics | 3042 |
| Local expo tax return due - monthly, quarterly, annual | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-Local-expo-tax-return-due-monthly-quarterly-annual.ics | 3043 |
| Premier resort tax return due - monthly, quarterly, annual | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-Premier-resort-tax-return-due-monthly-quarterly-annual.ics | 3044 |
| Rental vehicle tax return due - quarterly | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-Rental-vehicle-tax-return-due-quarterly.ics | 3045 |
| PW-2 due (S Corps) | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-PW-2-due-(S-Corps).ics | 3046 |
| 911 fee due - monthly | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-911-fee-due-monthly.ics | 3047 |
| Alternate fuel, terminal operator return due - monthly, quarterly | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics | 3048 |
| Supplier, shipper, transporter fuel tax return due - monthly | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 3049 |
| PW-2 due (Partnerships) | | 1/31/2025 12:00 AM | 1/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-01-31-PW-2-due-(Partnerships).ics | 3050 |
| Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon | | 2/9/2025 12:00 AM | 2/9/2025 11:59 PM | | Yes | | 3067 |
| WT-6 deposit report due - semi-monthly | | 2/17/2025 12:00 AM | 2/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-17-WT-6-deposit-report-due-semi-monthly.ics | 3051 |
| Cigarette-tobacco products return due - monthly | | 2/17/2025 12:00 AM | 2/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-17-Cigarette-tobacco-products-return-due-monthly.ics | 3052 |
| Liquor-beer return due - monthly | | 2/17/2025 12:00 AM | 2/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-17-Liquor-beer-return-due-monthly.ics | 3053 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 2/17/2025 12:00 AM | 2/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-17-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 3054 |
| Blenders fuel tax return due - intermittent monthly | | 2/20/2025 12:00 AM | 2/20/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-20-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 3055 |
| Sales and use tax return due - early monthly | | 2/20/2025 12:00 AM | 2/20/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-20-Sales-and-use-tax-return-due-early-monthly.ics | 3056 |
| Aviation fuel tax return due - monthly | | 2/20/2025 12:00 AM | 2/20/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-20-Aviation-fuel-tax-return-due-monthly.ics | 3057 |
| Sales and use tax return due - monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-Sales-and-use-tax-return-due-monthly.ics | 3058 |
| WT-6 deposit report due - semi-monthly and monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-WT-6-deposit-report-due-semi-monthly-and-monthly.ics | 3059 |
| Local expo tax return due - monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-Local-expo-tax-return-due-monthly.ics | 3060 |
| Premier resort tax return due - monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-Premier-resort-tax-return-due-monthly.ics | 3061 |
| PW-2 due (Estates and trusts) | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-PW-2-due-(Estates-and-trusts).ics | 3062 |
| 911 fee due - monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-911-fee-due-monthly.ics | 3063 |
| Alternate fuel, terminal operator return due - monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-08-Alternate-fuel-terminal-operator-return-due-monthly.ics | 3064 |
| Supplier, shipper, transporter fuel tax return due - monthly | | 2/28/2025 12:00 AM | 2/28/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-02-28-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 3065 |
| Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon | | 3/2/2025 12:00 AM | 3/2/2025 11:59 PM | | Yes | | 3068 |
| WT-6 deposit report due - semi-monthly | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-WT-6-deposit-report-due-semi-monthly.ics | 3069 |
| PW-ES 1st pass-through withholding estimated payment due | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-PW-ES-1st-pass-through-withholding-estimated-payment-due.ics | 3070 |
| PW-1 due (Partnerships and S Corps) | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-PW-1-due-(Partnerships-and-S-Corps).ics | 3071 |
| Partnership tax return due | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-Partnership-tax-return-due.ics | 3072 |
| S Corporation tax return due | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-S-Corporation-tax-return-due.ics | 3073 |
| Cigarette-tobacco products return due - monthly | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-Cigarette-tobacco-products-return-due-monthly.ics | 3074 |
| Liquor-beer return due - monthly | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-Liquor-beer-return-due-monthly.ics | 3075 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 3076 |
| Blenders fuel tax return due - intermittent monthly | | 3/17/2025 12:00 AM | 3/17/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-17-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 3077 |
| Sales and use tax return due - early monthly | | 3/20/2025 12:00 AM | 3/20/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-20-Sales-and-use-tax-return-due-early-monthly.ics | 3078 |
| Aviation fuel tax return due - monthly | | 3/20/2025 12:00 AM | 3/20/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-20-Aviation-fuel-tax-return-due-monthly.ics | 3079 |
| Sales and use tax return due - monthly | | 3/31/2025 12:00 AM | 3/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-31-Sales-and-use-tax-return-due-monthly.ics | 3080 |
| WT-6 deposit report due - semi-monthly and monthly | | 3/31/2025 12:00 AM | 3/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-31-WT-6-deposit-report-due-semi-monthly-and-monthly.ics | 3081 |
| Local expo tax return due - monthly | | 3/31/2025 12:00 AM | 3/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-31-Local-expo-tax-return-due-monthly.ics | 3082 |
| Premier resort tax return due - monthly | | 3/31/2025 12:00 AM | 3/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-31-Premier-resort-tax-return-due-monthly.ics | 3083 |
| 911 fee due - monthly | | 3/31/2025 12:00 AM | 3/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-31-911-fee-due-monthly.ics | 3084 |
| Alternate fuel, terminal operator return due - monthly | | 3/31/2025 12:00 AM | 3/31/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-03-31-Alternate-fuel-terminal-operator-return-due-monthly.ics | 3085 |
| Individual income tax returns due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Individual-income-tax-returns-due.ics | 3086 |
| 1st quarter individual income tax estimated payment due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-1st-quarter-individual-income-tax-estimated-payment-due.ics | 3087 |
| WT-6 deposit report due - semi-monthly | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-WT-6-deposit-report-due-semi-monthly.ics | 3088 |
| Cigarette-tobacco products return due - monthly, quarterly | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Cigarette-tobacco-products-return-due-monthly-quarterly.ics | 3089 |
| Liquor-beer return due - monthly | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Liquor-beer-return-due-monthly.ics | 3090 |
| Supplier, shipper, transporter fuel tax payment due - monthly | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 3091 |
| Blenders fuel tax return due - intermittent monthly | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 3092 |
| Wine direct shippers return due - quarterly | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Wine-direct-shippers-return-due-quarterly.ics | 3093 |
| Exempt employees trust, IRA, MSA fiduciary income tax return due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Exempt-employees-trust-IRA-MSA-fiduciary-income-tax-return-due.ics | 3094 |
| Corporation franchise or income tax return due (Non-combined and combined) | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Corporation-franchise-or-income-tax-return-due-(Non-combined-and-combined).ics | 3095 |
| Fiduciary income tax returns due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Fiduciary-income-tax-returns-due.ics | 3096 |
| 1CNP composite return for nonresident partners due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-1CNP-composite-return-for-nonresident-partners-due.ics | 3097 |
| 1CNS composite return for nonresident shareholder due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-1CNS-composite-return-for-nonresident-shareholder-due.ics | 3098 |
| PW-1 due (Estates and trusts) | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-PW-1-due-(Estates-and-trusts).ics | 3099 |
| Corp-ES Corporation 1st quarter estimated tax payment due | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Corp-ES-Corporation-1st-quarter-estimated-tax-payment-due.ics | 3100 |
| Statute of Limitation for 2020 Wisconsin income tax refunds | | 4/15/2025 12:00 AM | 4/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-15-Statute-of-Limitation-for-2020-Wisconsin-income-tax-refunds.ics | 3101 |
| Sales and use tax return due - early monthly | | 4/21/2025 12:00 AM | 4/21/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-21-Sales-and-use-tax-return-due-early-monthly.ics | 3102 |
| Aviation fuel tax return due - monthly, quarterly | | 4/21/2025 12:00 AM | 4/21/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-21-Aviation-fuel-tax-return-due-monthly-quarterly.ics | 3103 |
| 1st quarter dry cleaning fee returns due | | 4/25/2025 12:00 AM | 4/25/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-25-1st-quarter-dry-cleaning-fee-returns-due.ics | 3104 |
| My Tax Account, Wisconsin Telefile and Wis e-File system file outage 5am - Noon | | 4/27/2025 12:00 AM | 4/27/2025 11:59 PM | | Yes | | 3105 |
| Sales and use tax return due - monthly and quarterly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-Sales-and-use-tax-return-due-monthly-and-quarterly.ics | 3106 |
| WT-6 deposit report due - semi-monthly, monthly and quarterly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics | 3107 |
| Local expo tax return due - monthly and quarterly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-Local-expo-tax-return-due-monthly-and-quarterly.ics | 3108 |
| Premier resort tax return due - monthly and quarterly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-Premier-resort-tax-return-due-monthly-and-quarterly.ics | 3110 |
| 911 fee due - monthly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-911-fee-due-monthly.ics | 3111 |
| Rental vehicle tax return due - quarterly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-Rental-vehicle-tax-return-due-quarterly.ics | 3112 |
| Alternate fuel, terminal operator return due - monthly, quarterly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics | 3113 |
| Supplier, shipper, transporter fuel tax return due - monthly | | 4/30/2025 12:00 AM | 4/30/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-04-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 3114 |
| WT-6 deposit report due - semi-monthly | | 5/15/2025 12:00 AM | 5/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-05-15-WT-6-deposit-report-due-semi-monthly.ics | 3115 |
| Exempt corporation franchise or income tax return due | | 5/15/2025 12:00 AM | 5/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-05-15-Exempt-corporation-franchise-or-income-tax-return-due.ics | 3116 |
| Exempt non-employees trust, IRA, MSA fiduciary income tax return due | | 5/15/2025 12:00 AM | 5/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-05-15-Exempt-non-employees-trust-IRA-MSA-fiduciary-income-tax-return-due.ics | 3117 |
| Cigarette-tobacco products return due - monthly | | 5/15/2025 12:00 AM | 5/15/2025 11:59 PM | | Yes | https://www.revenue.wi.gov/EventDownloads/TaxProfessionals/2025-05-15-Cigarette-tobacco-products-return-due-monthly.ics | 3118 |