| | | 5/29/2023 12:00 AM | 5/29/2023 11:59 PM | | Yes |  | | 2668 | State of Wisconsin holiday - Revenue offices closed |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-Sales-and-use-tax-return-due-monthly.ics | 2669 | Sales and use tax return due - monthly |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-WT-6-deposit-report-due-semi-monthly-and-monthly.ics | 2670 | WT-6 deposit report due - semi-monthly and monthly |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-Local-expo-tax-return-due-monthly.ics | 2671 | Local expo tax return due - monthly |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-Premier-resort-tax-return-due-monthly.ics | 2672 | Premier resort tax return due - monthly |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-Police-and-fire-protection-fee-due-monthly.ics | 2673 | Police and fire protection fee due - monthly |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-Police-and-fire-protection-fee-due-monthly.ics | 2674 | Alternate fuel, terminal operator return due - monthly |
| | | 5/31/2023 12:00 AM | 5/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-05-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2675 | Supplier, shipper, transporter fuel tax return due - monthly |
| | | 6/3/2023 12:00 AM | 6/3/2023 11:59 PM | | Yes |  | | 2676 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 6/4/2023 12:00 AM | 6/4/2023 11:59 PM | | Yes |  | | 2677 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-WT-6-deposit-report-due-semi-monthly.ics | 2678 | WT-6 deposit report due - semi-monthly |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-Cigarette-tobacco-products-return-due-monthly.ics | 2679 | Cigarette-tobacco products return due - monthly |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-Liquor-beer-return-due-monthly.ics | 2680 | Liquor-beer return due - monthly |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2681 | Supplier, shipper, transporter fuel tax payment due - monthly |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2682 | Blenders fuel tax return due - intermittent monthly |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-Corp-ES-2nd-corporation-estimated-payment-due.ics | 2683 | Corp-ES 2nd corporation estimated payment due |
| | | 6/15/2023 12:00 AM | 6/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-15-PW-ES-2nd-pass-through-withholding-estimated-payment-due.ics | 2684 | PW-ES 2nd pass-through withholding estimated payment due |
| | | 6/20/2023 12:00 AM | 6/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-20-Sales-and-use-tax-return-due-early-monthly.ics | 2685 | Sales and use tax return due - early monthly |
| | | 6/20/2023 12:00 AM | 6/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-20-Aviation-fuel-tax-return-due-monthly.ics | 2686 | Aviation fuel tax return due - monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-Sales-and-use-tax-return-due-monthly.ics | 2687 | Sales and use tax return due - monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-WT-6-deposit-report-due-semi-monthly-and-monthly .ics | 2688 | WT-6 deposit report due - semi-monthly and monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-Local-expo-tax-return-due-monthly.ics | 2689 | Local expo tax return due - monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-Premier-resort-tax-return-due-monthly.ics | 2690 | Premier resort tax return due - monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-Police-and-fire-protection-fee-due-monthly.ics | 2691 | Police and fire protection fee due - monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-Alternate-fuel-terminal-operator-return-due-monthly.ics | 2692 | Alternate fuel, terminal operator return due - monthly |
| | | 6/30/2023 12:00 AM | 6/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-06-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2693 | Supplier, shipper, transporter fuel tax return due - monthly |
| | | 7/2/2023 12:00 AM | 7/2/2023 11:59 PM | | Yes |  | | 2709 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 7/4/2023 12:00 AM | 7/4/2023 11:59 PM | | Yes |  | | 2694 | State of Wisconsin holiday (observed) - Revenue offices closed |
| | | 7/17/2023 12:00 AM | 7/17/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-17-WT-6-deposit-report-due-semi-monthly.ics | 2695 | WT-6 deposit report due - semi-monthly |
| | | 7/17/2023 12:00 AM | 7/17/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-17-Cigarette-tobacco-products-return-due-monthly-quarterly.ics | 2696 | Cigarette-tobacco products return due - monthly, quarterly |
| | | 7/20/2023 12:00 AM | 7/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-20-Sales-and-use-tax-return-due-early-monthly.ics | 2697 | Sales and use tax return due - early monthly |
| | | 7/20/2023 12:00 AM | 7/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-20-Aviation-fuel-tax-return-due-monthly-quarterly.ics | 2698 | Aviation fuel tax return due - monthly, quarterly |
| | | 7/25/2023 12:00 AM | 7/25/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-25-2nd-quarter-dry-cleaning-fee-returns-due.ics | 2699 | 2nd quarter dry cleaning fee returns due |
| | | 7/30/2023 12:00 AM | 7/30/2023 11:59 PM | | Yes |  | | 2710 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Sales-and-use-tax-return-due-monthly-and-quarterly.ics | 2700 | Sales and use tax return due - monthly and quarterly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics | 2702 | WT-6 deposit report due - semi-monthly, monthly and quarterly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Local-expo-tax-return-due-monthly-and-quarterly.ics | 2703 | Local expo tax return due - monthly and quarterly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Premier-resort-tax-return-due-monthly-and-quarterly.ics | 2704 | Premier resort tax return due - monthly and quarterly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Police-and-fire-protection-fee-due-monthly.ics | 2705 | Police and fire protection fee due - monthly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Rental-vehicle-tax-return-due-quarterly.ics | 2706 | Rental vehicle tax return due - quarterly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics | 2707 | Alternate fuel, terminal operator return due - monthly, quarterly |
| | | 7/31/2023 12:00 AM | 7/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-07-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2708 | Supplier-shipper-transporter fuel tax return due - monthly |
| | | 8/15/2023 12:00 AM | 8/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-15-WT-6-deposit-report-due-semi-monthly.ics | 2715 | WT-6 deposit report due - semi-monthly |
| | | 8/15/2023 12:00 AM | 8/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-15-Cigarette-tobacco-products-return-due-monthly.ics | 2716 | Cigarette-tobacco products return due - monthly |
| | | 8/15/2023 12:00 AM | 8/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-15-Liquor-beer-return-due-monthly.ics | 2717 | Liquor-beer return due - monthly |
| | | 8/15/2023 12:00 AM | 8/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2718 | Supplier-shipper-transporter fuel tax payment due - monthly |
| | | 8/15/2023 12:00 AM | 8/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2719 | Blenders fuel tax return due - intermittent monthly |
| | | 8/21/2023 12:00 AM | 8/21/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-21-Sales-and-use-tax-return-due-early-monthly.ics | 2720 | Sales and use tax return due - early monthly |
| | | 8/21/2023 12:00 AM | 8/21/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-21-Aviation-fuel-tax-return-due-monthly.ics | 2721 | Aviation fuel tax return due - monthly |
| | | 8/27/2023 12:00 AM | 8/27/2023 11:59 PM | | Yes |  | | 2711 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-Sales-and-use-tax-return-due-monthly.ics | 2722 | Sales and use tax return due - monthly |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-WT-6-deposit-report-due-semi-monthly-monthly.ics | 2723 | WT-6 deposit report due - semi-monthly, monthly |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-Local-expo-tax-return-due-monthly.ics | 2724 | Local expo tax return due - monthly |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-Premier-resort-tax-return-due-monthly.ics | 2725 | Premier resort tax return due - monthly |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-Police-and-fire-protection-fee-due-monthly.ics | 2726 | Police and fire protection fee due - monthly |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-Alternate-fuel-terminal-operator-return-due-monthly.ics | 2727 | Alternate fuel, terminal operator return due - monthly |
| | | 8/31/2023 12:00 AM | 8/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-08-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2728 | Supplier-shipper-transporter fuel tax return due - monthly |
| | | 9/4/2023 12:00 AM | 9/4/2023 11:59 PM | | Yes |  | | 2729 | State of Wisconsin holiday - Revenue offices closed |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-WT-6-deposit-report-due-semi-monthly.ics | 2730 | WT-6 deposit report due - semi-monthly |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | | 2731 | Cigarette, tobacco products return due - monthly |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-Liquor-beer-return-due-monthly.ics | 2732 | Liquor, beer return due - monthly |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2733 | Supplier, shipper, transporter fuel tax payment due - monthly |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2734 | Blenders fuel tax return due - intermittent monthly |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-PW-ES-3rd-pass-through-withholding-estimated-payment-due.ics | 2735 | PW-ES 3rd pass-through withholding estimated payment due |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-Partnership-tax-return-extension-deadline.ics | 2736 | Partnership tax return extension deadline |
| | | 9/15/2023 12:00 AM | 9/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-15-Corp-ES-3rd-corporation-estimated-payment-due.ics | 2737 | Corp-ES 3rd corporation estimated payment due |
| | | 9/20/2023 12:00 AM | 9/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-20-Sales-and-use-tax-return-due-early-monthly.ics | 2738 | Sales and use tax return due - early monthly |
| | | 9/20/2023 12:00 AM | 9/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-09-20-Aviation-fuel-tax-return-due-monthly.ics | 2739 | Aviation fuel tax return due - monthly |
| | | 10/1/2023 12:00 AM | 10/1/2023 11:59 PM | | Yes |  | | 2712 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Sales-and-use-tax-return-due-monthly.ics | 2740 | Sales and use tax return due - monthly |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Fiduciary-tax-return-extension-deadline.ics | 2741 | Fiduciary tax return extension deadline |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-WT-6-deposit-report-due-semi-monthly-and-monthly.ics | 2742 | WT-6 deposit report due - semi-monthly and monthly |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Local-expo-tax-return-due-monthly.ics | 2743 | Local expo tax return due - monthly |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Premier-resort-tax-return-due-monthly.ics | 2744 | Premier resort tax return due - monthly |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Police-and-fire-protection-fee-due-monthly.ics | 2745 | Police and fire protection fee due - monthly |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Alternate-fuel-terminal-operator-return-due-monthly.ics | 2746 | Alternate fuel, terminal operator return due - monthly |
| | | 10/2/2023 12:00 AM | 10/2/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-02-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2747 | Supplier, shipper, transporter fuel tax return due - monthly |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-1CNP-extension-deadline.ics | 2748 | 1CNP extension deadline |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-1CNS-extension-deadline.ics | 2749 | 1CNS extension deadline |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-S-Corporation-tax-return-extension-deadline.ics | 2750 | S Corporation tax return extension deadline |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-Exempt-employees-trust-ISA-MSA-Fiduciary-tax-return-extension-deadline.ics | 2751 | Exempt employee's trust, ISA, MSA Fiduciary tax return extension deadline |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-PW-1-(Partnerships)-extension-deadline.ics | 2752 | PW-1 (Partnerships) extension deadline |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-PW-1-(S Corps)-extension-deadline.ics | 2753 | PW-1 (S Corps) extension deadline |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-Cigarette-tobacco-products-return-due-monthly-quarterly.ics | 2754 | Cigarette, tobacco products return due - monthly, quarterly |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-Liquor-beer-return-due-monthly.ics | 2755 | Liquor, beer return due - monthly |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2756 | Supplier, shipper, transporter fuel tax payment due - monthly |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2757 | Blenders fuel tax return due - intermittent monthly |
| | | 10/16/2023 12:00 AM | 10/16/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-16-Wine-direct-shippers-return-due-quarterly.ics | 2758 | Wine direct shippers return due - quarterly |
| | | 10/20/2023 12:00 AM | 10/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-20-Sales-and-use-tax-return-due-early-monthly.ics | 2759 | Sales and use tax return due - early monthly |
| | | 10/20/2023 12:00 AM | 10/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-20-Aviation-fuel-tax-return-due-monthly-quarterly.ics | 2760 | Aviation fuel tax return due - monthly, quarterly |
| | | 10/25/2023 12:00 AM | 10/25/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-25-3rd-quarter-dry-cleaning-fee-returns-due.ics | 2761 | 3rd quarter dry cleaning fee returns due |
| | | 10/29/2023 12:00 AM | 10/29/2023 11:59 PM | | Yes |  | | 2713 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Sales-and-use-tax-return-due-monthly-and-quarterly.ics | 2762 | Sales and use tax return due - monthly and quarterly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-WT-6-deposit-report-due-semi-monthly-monthly-and-quarterly.ics | 2763 | WT-6 deposit report due - semi-monthly, monthly and quarterly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Local-expo-tax-return-due-monthly-and-quarterly.ics | 2764 | Local expo tax return due - monthly and quarterly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Premier-resort-tax-return-due-monthly-and-quarterly.ics | 2765 | Premier resort tax return due - monthly and quarterly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Police-and-fire-protection-fee-due-monthly.ics | 2766 | Police and fire protection fee due - monthly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Rental-vehicle-tax-return-due-quarterly.ics | 2767 | Rental vehicle tax return due - quarterly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Alternate-fuel-terminal-operator-return-due-monthly-quarterly.ics | 2768 | Alternate fuel, terminal operator return due - monthly, quarterly |
| | | 10/31/2023 12:00 AM | 10/31/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-10-31-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2769 | Supplier, shipper, transporter fuel tax return due - monthly |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-WT-6-deposit-report-due-semi-monthly.ics | 2770 | WT-6 deposit report due - semi-monthly |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-PW-1-(Estates-and-trusts)-extension-deadline.ics | 2771 | PW-1 (Estates and trusts) extension deadline |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-Corporation-tax-return-extension-deadline-(Non-combined-and-combined).ics | 2772 | Corporation tax return extension deadline (Non-combined and combined) |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-Cigarette-tobacco-products-return-due-monthly.ics | 2773 | Cigarette, tobacco products return due - monthly |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-Liquor-beer-return-due-monthly.ics | 2774 | Liquor, beer return due - monthly |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2775 | Supplier, shipper, transporter fuel tax payment due - monthly |
| | | 11/15/2023 12:00 AM | 11/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2776 | Blenders fuel tax return due - intermittent monthly |
| | | 11/20/2023 12:00 AM | 11/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-20-Sales-and-use-tax-return-due-early-monthly.ics | 2777 | Sales and use tax return due - early monthly |
| | | 11/20/2023 12:00 AM | 11/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-20-Aviation-fuel-tax-return-due-monthly.ics | 2778 | Aviation fuel tax return due - monthly |
| | | 11/23/2023 12:00 AM | 11/23/2023 11:59 PM | | Yes |  | | 2779 | State of Wisconsin holiday - Revenue offices closed |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-Sales-and-use-tax-return-due-monthly.ics | 2780 | Sales and use tax return due - monthly |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-WT-6-deposit-report-due-semi-monthly-monthly.ics | 2781 | WT-6 deposit report due - semi-monthly, monthly |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-Local-expo-tax-return-due-monthly.ics | 2782 | Local expo tax return due - monthly |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-Premier-resort-tax-return-due-monthly.ics | 2783 | Premier resort tax return due - monthly |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-Police-and-fire-protection-fee-due-monthly.ics | 2784 | Police and fire protection fee due - monthly |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-Alternate-fuel-terminal-operator-return-due-monthly.ics | 2785 | Alternate fuel, terminal operator return due - monthly |
| | | 11/30/2023 12:00 AM | 11/30/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-11-30-Supplier-shipper-transporter-fuel-tax-return-due-monthly.ics | 2786 | Supplier, shipper, transporter fuel tax return due - monthly |
| | | 12/10/2023 12:00 AM | 12/10/2023 11:59 PM | | Yes |  | | 2714 | Wisconsin e-File, Wisconsin Telefile and My Tax Account file outage 5am-noon |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-WT-6-deposit-report-due-semi-monthly.ics | 2787 | WT-6 deposit report due - semi-monthly |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-Exempt-corporation-tax-return-extension-deadline.ics | 2788 | Exempt corporation tax return extension deadline |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-Exempt-non-employees-trust-IRA-MSA-Fiduciary-tax-return-extension-deadline.ics | 2789 | Exempt non-employee's trust, IRA, MSA Fiduciary tax return extension deadline |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-Liquor-beer-return-due-monthly.ics | 2790 | Liquor, beer return due - monthly |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-Supplier-shipper-transporter-fuel-tax-payment-due-monthly.ics | 2791 | Supplier, shipper, transporter fuel tax payment due - monthly |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-Blenders-fuel-tax-return-due-intermittent-monthly.ics | 2792 | Blenders fuel tax return due - intermittent monthly |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-4th-pass-through-withholding-estimated-payment-due.ics | 2793 | 4th pass-through withholding estimated payment due |
| | | 12/15/2023 12:00 AM | 12/15/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-15-4th-corporation-estimated-payment-due.ics | 2794 | 4th corporation estimated payment due |
| | | 12/20/2023 12:00 AM | 12/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-20-Sales-and-use-tax-return-due-early-monthly.ics | 2795 | Sales and use tax return due - early monthly |
| | | 12/20/2023 12:00 AM | 12/20/2023 11:59 PM | | Yes |  | https://www.revenue.wi.gov/EventDownloads/Businesses/2023-12-20-Aviation-fuel-tax-return-due-monthly.ics | 2796 | Aviation fuel tax return due - monthly |
| | | 12/25/2023 12:00 AM | 12/25/2023 11:59 PM | | Yes |  | | 2797 | State of Wisconsin holiday - Revenue offices closed |
| | | 1/1/2024 12:00 AM | 1/1/2024 11:59 PM | | Yes |  | | 2798 | State of Wisconsin holiday - Revenue offices closed |