
88 Nashua Road
Londonderry, NH 03053
Contact Us:
603-434-6141
Fax:
603-434-0212
Tax Years 2020 and 2021 Calendar:
Important Dates & Deadlines
Unless otherwise indicated, all deadlines are at 11:59:59 P.M.
(one second before midnight) local time.
January 15, 2021
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Due date for fourth installment of 2020 estimated tax payments.
January 31, 2021
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Employers Taxes - Employers of non-agricultural and non-household employees file return on Form 941 for withheld income and FICA taxes in last quarter of 2020.
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Withholding - Employee's statements (Form W-2 and Form 1099-R) for amounts withheld in 2020 to be furnished by employer to employees.
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Employers must file Form 940, annual return of Federal unemployment taxes (FUTA) taxes for 2020.
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February 12, 2021
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IRS will begin processing 2020 individual income tax returns
March 15, 2021
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Deadline for filing Partnership and S-Corporation tax returns or extensions .
April 15, 2021
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Deadline for filing a 2020 Individual, C-Corporation, and Trusts tax returns or extensions.
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The return or extension must be postmarked or transmitted for e-filing by April 15, 2021.
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To avoid late payment penalties and interest, any additional taxes you owe must be paid by this date even if you file an extension.
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Due date for first installment of 2021 estimated tax payments.
May 15, 2021
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Deadline for filing Exempt Organization Annual Information Returns or extension.
June 17, 2021
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Deadline for filing a 2020 Individual tax return for nonresident aliens.
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Due date for second installment of 2021 estimated tax payments.
September 15, 2021
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Final deadline to file your 2020 S corporation or partnership tax return if you filed an extension.
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Due date for third installment of 2021 estimated tax payments.
October 15, 2021
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Final deadline to file your 2020 Individual or C-Corporation tax return if you filed an extension.
January 15, 2022
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Due date for fourth installment of 2021 estimated tax payments.