Tax Deadlines Occurring 2021
(for Tax Year 2020 Returns)
Individual tax returns (Forms 1040, 1040NR, 1040A and 1040EZ)
Extended deadline is October 15, 2021
Estimated tax payments (Form 1040ES)
April 15, 2021
June 15, 2021
September 15, 2021
January 1, 2022
Partnership returns (Form 1065)
First deadline is March 15, 2021
Extended deadline is September 15, 2021
S-Corporation income tax returns (Form 1120-S)
First deadline is March 15, 2021 (for corporations on a calendar year)
Extended deadline is September 15, 2021
C-Corporation income tax returns (Form 1120)
First deadline is April 15, 2021 (for corporations on a calendar year)
Extended deadline is October 15, 2021
Trust and Estate income tax returns (Form 1041)
First deadline is April 15, 2021
Extended deadline is September 30, 2021
Foreign Bank Account Reports (FinCen Form 114)
First deadline is April 15, 2021
Extended deadline is October 15, 2021
