Mulrennan Rugg Street View
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

  • Due date for fourth installment of 2020 estimated tax payments.

 

January 31, 2021

  • 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.  

  • Withholding - Employee's statements (Form  W-2 and Form 1099-R) for amounts withheld in 2020 to be furnished by employer to employees.

  • Employers must file Form 940, annual return of Federal unemployment taxes (FUTA) taxes for 2020.

February 12, 2021

  • IRS will begin processing 2020 individual income tax returns

 

March 15, 2021

  • Deadline for filing Partnership and S-Corporation tax returns or extensions .

April 15, 2021

  • Deadline for filing a 2020 Individual, C-Corporation, and Trusts tax returns or extensions.

    • The return or extension must be postmarked or transmitted for e-filing by April 15, 2021.

    • To avoid late payment penalties and interest, any additional taxes you owe must be paid by this date even if you file an extension. 

  • Due date for first installment of 2021 estimated tax payments.

May 15, 2021

  • Deadline for filing Exempt Organization Annual Information Returns or extension.

 

June 17, 2021

  • Deadline for filing a 2020 Individual tax return for nonresident aliens.

  • Due date for second installment of 2021 estimated tax payments.

 

September 15, 2021

  • Final deadline to file your 2020 S corporation or partnership tax return if you filed an extension.

  • Due date for third installment of 2021 estimated tax payments.

 

October 15, 2021

  • Final deadline to file your 2020 Individual or C-Corporation tax return if you filed an extension.

 

January 15, 2022

  • Due date for fourth installment of 2021 estimated tax payments.