Loading view. Views Navigation Event Views Navigation List List Month Day Today 2/27/2026 February 27, 2026 - 6/15/2026 June 15, 2026 Select date. March 2026 Sun 15 March 15, 2026 Event Series Forms 1065 & 1120S (Calendar Year) unless an extension filed Forms 1065 & 1120S (Calendar Year) unless an extension filed April 2026 Wed 15 April 15, 2026 Event Series Forms 1040, 1041, 1120, 3520/FinCen, unless a 6 month extension was filed Forms 1040, 1041, 1120, 3520/FinCen, unless a 6 month extension was filed Wed 15 April 15, 2026 Event Series Extension Payment due for Forms 1040 &1041 Extension Payment due for Forms 1040 &1041 Wed 15 April 15, 2026 Event Series Form 1040ES – 1st Qtr Form 1040ES – 1st Qtr Wed 15 April 15, 2026 Event Series Form 1041ES – 1st Qtr Form 1041ES – 1st Qtr 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 Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file
March 15, 2026 Event Series Forms 1065 & 1120S (Calendar Year) unless an extension filed Forms 1065 & 1120S (Calendar Year) unless an extension filed
April 15, 2026 Event Series Forms 1040, 1041, 1120, 3520/FinCen, unless a 6 month extension was filed Forms 1040, 1041, 1120, 3520/FinCen, unless a 6 month extension was filed
April 15, 2026 Event Series Extension Payment due for Forms 1040 &1041 Extension Payment due for Forms 1040 &1041
May 15, 2026 Event Series Texas Franchise unless extension filed Texas Franchise unless extension filed
