In 2021 the filing deadline for multiple types of returns are consistent with prior years.

The various due dates are:

  • W-2s – Jan. 31 for providing forms to employees and filing with Social Security Administration
  • 1099s-NEC – Jan. 31 for providing forms to vendors and filing with Internal Revenue Service
  • 1099-MISC – Feb. 28 for providing forms to vendors and filing with Internal Revenue Service
  • Form 1065 – March 15 with allowed extension to Sept. 15
  • Form 1120S – March 15 with allowed extension to Sept. 15
  • Form 1120 (calendar year taxpayers) – April 15 with allowed extension to Sept. 15
  • Form 1120 (fiscal year end 6/30) – Sept. 15 with allowed extension to April 15
  • Form 1120 (fiscal year end other than 6/30 or 12/31) – 3 ½ months from fiscal year-end with allowed 6 month extension.