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

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

April 15 (Individuals)
File a 2013 income tax return (Form 1040, 1040A, or 1040EZ) and pay any tax due - Details

April 15 (Household Employers)
If you paid cash wages of $1,800 or more in 2013 to a household employee, you must file Schedule H - Details

April 15 (Individuals)
If you are not paying your 2014 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2014 estimated tax. Use Form 1040-ES - Details

April 15 (Partnerships)
File a 2013 calendar year return (Form 1065) - Details

April 15 (Partnerships)
Electing large partnerships: File a 2013 calendar year return (Form 1065-B) - Details

April 15 (Corporations)
Deposit the first installment of estimated income tax for 2014 - Details

April 16 (Everyone)
Federal Holiday (District of Columbia Emancipation Day) - Details

View More Tax Dates