We have compiled a list of 2021 tax filing deadlines and extensions for the remainder of the 2020 tax year. It is important that you meet these deadlines and if you need help with your tax filing, or have questions, please contact us below.
IRS Tax Form |
Deadline |
Form 5500 (Employee Benefit Plans) |
August 2, 2021 |
Q3 2021 Individual and C Corporation Estimated Tax Payments |
September 15, 2021 |
Extended Form 1065 and Form 1120-S Returns Due |
September 15, 2021 |
Extended Form 1041 Returns Due |
September 30, 2021 |
Extended Form 1040 and Form 1120 Returns Due |
October 15, 2021 |
Extended Form 990 Returns Due |
November 15, 2021 |
Q4 2021 C Corporation Estimated Tax Payments |
December 15, 2021 |
If you have any questions about any of the deadlines, please contact your ALL tax advisor or call us at 617-738-5200.
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