Loading view. Views Navigation Event Views Navigation List List Month Day Today 8/27/2025 August 27, 2025 - 1/15/2026 January 15, 2026 Select date. September 2025 Mon 15 September 15, 2025 Event Series Forms 1065 & 1120S (Calendar Year) if extension was filed Forms 1065 & 1120S (Calendar Year) if extension was filed Mon 15 September 15, 2025 Event Series Form 1040ES – 3rd Qtr Form 1040ES – 3rd Qtr Mon 15 September 15, 2025 Event Series Form 1041ES – 3rd Qtr Form 1041ES – 3rd Qtr Mon 15 September 15, 2025 Event Series Form 1120ES – 3rd Qtr Form 1120ES – 3rd Qtr Tue 30 September 30, 2025 Event Series Form 1041 if extension filed Form 1041 if extension filed October 2025 Wed 15 October 15, 2025 Event Series Forms 1040, 1120, FinCen and 3520 if extension filed Forms 1040, 1120, FinCen and 3520 if extension filed Thu 30 October 30, 2025 Event Series 3rd Qtr Payroll 3rd Qtr Payroll Fri 31 October 31, 2025 Event Series Employee Benefits Plans Form 5500 due (if extension filed) Employee Benefits Plans Form 5500 due (if extension filed) November 2025 Sat 15 November 15, 2025 Event Series Texas Franchise final due date if extension filed Texas Franchise final due date if extension filed Sat 15 November 15, 2025 Event Series Form 990 if extension filed Form 990 if extension filed December 2025 Mon 15 December 15, 2025 Event Series Form 1120ES – 4th Qtr Form 1120ES – 4th Qtr January 2026 Thu 15 January 15, 2026 Event Series Form 1040ES – 4th Qtr Form 1040ES – 4th Qtr Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file
September 15, 2025 Event Series Forms 1065 & 1120S (Calendar Year) if extension was filed Forms 1065 & 1120S (Calendar Year) if extension was filed
October 15, 2025 Event Series Forms 1040, 1120, FinCen and 3520 if extension filed Forms 1040, 1120, FinCen and 3520 if extension filed
October 31, 2025 Event Series Employee Benefits Plans Form 5500 due (if extension filed) Employee Benefits Plans Form 5500 due (if extension filed)
November 15, 2025 Event Series Texas Franchise final due date if extension filed Texas Franchise final due date if extension filed
