S-Corporations

March 17

File a 2013 calendar year income tax return (Form 1120S) and pay any tax due. Provide each shareholder with a copy of Schedule K-1 (Form 1120S), Shareholder's Share of Income, Deductions, Credits, etc., or a substitute Schedule K-1. If you want an automatic 6-month extension of time to file the return, file Form 7004 and deposit what you estimate you owe.

S corporation election. File Form 2553, Election by a Small Business Corporation, to elect to be treated as an S corporation beginning with calendar year 2014. If Form 2553 is filed late, S treatment will begin with calendar year 2015.

September 15

File a 2013 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see March 17. Provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1.

If you operate on a fiscal year, see tax calendar information for Fiscal-Year Taxpayers.

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Upcoming Tax Dates

September 1 (Everyone)
Federal Holiday (Labor Day) - Details

September 10 (Employees who work for tips)
If you received $20 or more in tips during August, report them to your employer - Details

September 15 (Individuals)
Make a payment of your 2014 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment - Details

September 15 (Corporations)
File a 2013 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension - Details

September 15 (S Corporations)
File a 2013 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension - Details

September 15 (Partnerships)
File a 2013 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension - Details

September 15 (Corporations)
Deposit the third installment of estimated income tax for 2014 - Details

View More Tax Dates