Tax Filing Reminders – August 2021

September 15 is the due date for

  • 2021 calendar-year corporations third installment of estimated income tax
  • 2021 individual and trust third installment of estimated income tax
  • 2020 calendar-year S corporation income tax return (Form 1120S) on extension
  • 2020 calendar-year partnership income tax return (Form 1065) on extension

September 30 is the due date for

  • 2020 calendar-year estate and trust income tax return (Form 1041) on extension

October 15 is the due date for

  • 2020 calendar-year C corporation income tax return (Form 1120) on extension
  • 2020 individual income tax return (Form 1040) on extension
  • 2020 gift tax return (Form 709) on extension
  • 2020 report of Foreign Bank & Financial Accounts (FBAR, Form 114)