Tax Deadlines

Business Tax Due Dates – Calendar year filers:
  • Corporate Returns or extension (Forms 1120, both C and S Corps)> March 15th
  • Last day to file if on extension > September 15th
  • Partnership Returns or extension (Form 1065) > April 15th
  • Last date to file if on extension > Oct 15th
  • Fiduciary/Trust Returns or extension (Form 1041) > April 15th
  • Last date to file if on extension > Oct 15th
  • Non-Profit Organization Returns or extension(Form 990) > May 15th
  • Additional extension > August 15th
  • Last day to file if on extension > Nov 15th
  • Election to be treated as an S-Corp (Form 2553) > 75 days after incorporation date or election date

Personal Estimated Taxes Due

  • Jan – March > April 15th
  • April & May > June 15th
  • June – August > Sept 15th
  • Sept – December > Dec 15th

NYS Sales Tax Due:

Annual Filers:

  • March 1 – February 28/29 > March 20th

Quarterly Filers:

  • March -May¬† > June 20th
  • June – August > Sept 20th
  • Sept – November > Dec 20th
  • Dec – February > March 20th

There are no extensions available for Sales Tax

Monthly Filers: The 20th of the following month.

Payroll Quarterly Reporting: Forms 941 and NYS-45

  • Jan – March > April 30th
  • April – June > July 31st
  • July – September > October 31st
  • October – December > January 31st

Annual Form 944> January 31st

W2 Forms mailed to employees > January 31st

W2 Forms electronically submitted to SSA > April 1st

Forms 1099 for contract or casual labor > January 31st