BUSINESS TAXES DUE DATE 2019

Business Tax Return Due date 2019

S-corporation returns (IRS Form 1120-S):

  • March 15, 2019 for corporations on a calendar year
  • Extended deadline is Sept. 15, 2019

Partnership returns (IRS Form 1065): 

  • March 15, 2019 
  • Extended deadline is Sept. 16, 2019

C-corporation income tax returns (IRS Form 1120): 

  • April 15, 2019 for C corporations that operate on a calendar year
  • Extended deadline is Oct. 15, 2019

Sole-proprietorship (IRS Sch C ): 

  • April 15, 2019 for sole proprietor  and disregarded entity 
  • Extended deadline is Oct. 15, 2019