Business 1120S Edition

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S-Corporations

March 15

File a 2016 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 2017. If Form 2553 is filed late, S treatment will begin with calendar year 2018.

September 15

File a 2016 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 15. 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.

May 2017
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Upcoming Tax Dates

May 2 — Social security, Medicare, and withheld income tax
File Form 941 for the first quarter of 2017. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until May 10 to file the return.

May 2 — Federal unemployment tax.
Deposit the tax owed through March if more than $500.

May 2 — Form 720 taxes
File Form 720 for the first quarter of 2017.

May 2 — Wagering tax
File Form 730 and pay the tax on wagers accepted during March.

May 10 — Employees who work for tips
If you received $20 or more in tips during April, report them to your employer Details

May 10 — Social security, Medicare, and withheld income tax
File Form 941 for the first quarter of 2017. This due date applies only if you deposited the tax for the quarter timely, properly, and in full.

May 11 — Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the first 15 days of April.

May 13 — Regular method taxes
Deposit the tax for the last 15 days of April.

May 16 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in April.

May 16 — Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in April.

May 25 — Communications and air transportation taxes under the alternative method
Deposit the tax included in amounts billed or tickets sold during the last 15 days of April.

May 27 — Regular method taxes
Deposit the tax for the first 15 days of May.

May 31 — Wagering tax
File Form 730 and pay the tax on wagers accepted during April.

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