Loading view. Views Navigation Event Views Navigation List List Month Day Today 4/15/2026 April 15, 2026 - 9/15/2026 September 15, 2026 Select date. April 2026 Wed 15 April 15, 2026 Event Series Form 1120ES – 1st Qtr Due Form 1120ES – 1st Qtr Due Thu 30 April 30, 2026 Event Series 1st Qtr Payroll Due 1st Qtr Payroll Due May 2026 Fri 15 May 15, 2026 Event Series Texas Franchise unless extension filed Texas Franchise unless extension filed Fri 15 May 15, 2026 Event Series Form 990 Form 990 June 2026 Mon 15 June 15, 2026 Event Series Form 1040ES – 2nd Qtr Form 1040ES – 2nd Qtr Mon 15 June 15, 2026 Event Series Form 1041ES – 2nd Qtr Form 1041ES – 2nd Qtr Mon 15 June 15, 2026 Event Series Form 1120ES – 2nd Qtr Form 1120ES – 2nd Qtr July 2026 Thu 30 July 30, 2026 Event Series 2nd Qtr Payroll 2nd Qtr Payroll Fri 31 July 31, 2026 Event Series Form 5500 Form 5500 August 2026 Sat 15 August 15, 2026 Event Series Texas Franchise due if extension was filed – consult with your DP tax accountant Texas Franchise due if extension was filed – consult with your DP tax accountant September 2026 Tue 15 September 15, 2026 Event Series Forms 1065 & 1120S (Calendar Year) if extension was filed Forms 1065 & 1120S (Calendar Year) if extension was filed Tue 15 September 15, 2026 Event Series Form 1040ES – 3rd Qtr Form 1040ES – 3rd Qtr Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file
May 15, 2026 Event Series Texas Franchise unless extension filed Texas Franchise unless extension filed
August 15, 2026 Event Series Texas Franchise due if extension was filed – consult with your DP tax accountant Texas Franchise due if extension was filed – consult with your DP tax accountant
September 15, 2026 Event Series Forms 1065 & 1120S (Calendar Year) if extension was filed Forms 1065 & 1120S (Calendar Year) if extension was filed
