Colasanti & Iurato | Corporate/Partnership Income Tax Deadlines – 2017
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11 Jan Corporate/Partnership Income Tax Deadlines – 2017

S-Corporation income tax returns (Forms 1120-S)

  • First deadline is March 15, 2017 (for corporations on a calendar year)
  • Extended deadline is September 15, 2017

 

Partnership income tax returns (Forms 1065 )

  • First deadline is March 15, 2017
  • Extended deadline is September 15, 2017

 

C-Corporation income tax returns (IRS Forms 1120) 

  • April 17, 2017 for C-corporations on a calendar year
  • Extended deadline is October 16, 2017
  • The deadline for C-corp returns is the 15th day of the fourth month following the end of the corporation’s fiscal year if the corporation is on a fiscal rather than a calendar year. The exception is corporations with a fiscal year from July 1 to June 30. In this case, the first deadline remains Sept. 15, the 15th day of the third month following the end of the fiscal year. The extended deadline remains Feb. 15, or five months after the first deadline, through fiscal years ending June 30, 2026.​

 

Estimated tax payments (IRS Form 1040ES)

  • April 17, 2017
  • June 15, 2017
  • September 15, 2017
  • January 16, 2018

 

Foreign bank account reports (IRS FinCen Form 114)

  • April 18, 2017

 

Deadlines for April 18, 2017

  • Deadline to file individual tax returns (Form 1040, 1040A, or 1040EZ) for the year 2016 or to request an automatic extension (Form 4868). An extension provides an extra six months to file your return. Payment of the tax is still due by April 18. You can submit payment for tax along with the extension form
  • Last day to make a contribution to traditional IRA, Roth IRA, Health Savings Account, SEP-IRA or solo 401(k) for the 2016 tax year. You have until Oct. 17 to fund a SEP-IRA or solo 401(k) if you get an extension
  • 1st quarter estimated tax payments due for the 2016 tax year
  • Final deadline to file an original tax return (Form 1040) for tax year 2013 and still claim a tax refund, as refunds expire three years from the original due date of the tax return
  • Final deadline to file amended tax return (Form 1040X) for tax year 2013 and still claim a tax refund. (Be sure to mail the amended return well before April 15th to make sure your tax refund will be processed in a timely manner. And be sure to obtain proof of mailing, such as a certified mail with return receipt).
  • Deadline to file estate income tax or trust income tax returns (Form 1041) or to request an automatic 5-month extension of time to file (Form 7004)
  • Final deadline for estates, trusts, or partnerships to file an amended tax return and still claim a tax refund for the year 2013. Refunds expire three years from the original due date of the tax return.

 

As always, Colasanti & Iurato will be contacting you WELL before any deadlines to get time-sensitive paperwork together. Check back on our website for a future list of all tax deadlines for 2017 and beyond!