« All Events Event Series Event Series: Forms 1065 & 1120S (Calendar Year) unless an extension filed Forms 1065 & 1120S (Calendar Year) unless an extension filed March 15, 2027 « Forms W2 & 1099 Due Forms 1040, 1041, 1120, 3520/FinCen, unless a 6 month extension was filed » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: March 15, 2027 Series: Forms 1065 & 1120S (Calendar Year) unless an extension filed
