Tax Filing Deadlines for 2018

Here are some of the most commonly used forms and due dates:

Form

2018 Filing Due Date 

Form W-2 (electronic or mail)

Form 1065 – Partnerships

Form 1120S – S Corporations

Form 1040 – Individuals

FinCEN 114 – FBAR (will be allowed to extend)

January 31st

March 15th

March 15th

April 17th 

April 17th

Form 1041 – Trusts and Estates

Form 1120 – C Corporations

Form 990 Series – Tax Exempt Org

Form 5500 Series – Employee Benefit Plan

 

April 17th

April 17th

May 15th

July 31st

 

Form

Form 1065 Extended Return

Form 1120S Extended Return

Extended Due Dates

September 17th 

September 17th

Form 1041 Extended Return

Form 1120 Extended Return

Form 1040 Extended Return

FinCEN 114 (Extended with Form 1040)

Form 990 Series Extended Return

October 1st

October 15th

October 15th

October 15th

November 15th

Form 5500 Series Extended Return

November 15th

 

 

Fiscal Year:

  • Partnership and S Corporation tax returns are due the 15th day of the third month after the end of their tax year. S Corporations is unchanged.
  • C Corporation tax returns due the 15th day of the fourth month after the end of the tax year. 
  • Employee Benefit Plan tax returns due the last day of the seventh month after the plan.

There may be changes for the following: Changes include:

  • Filers of U.S. Return of Partnership Income (Form 1065)
  • U.S. Income Tax Return for Estates and Trusts (Form 1041)
  • Annual Return/Report of Employee Benefit Plans
  • Report of Foreign Bank and Financial Accounts (FinCEN 114, FBAR)
  • Filers of Form 990 (series).

Check with a professional, credible tax preparer to learn about additional changes in order to avoid fines and assure you are maximizing returns.