S-Corporations

March 15

File a 2015 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 2016. If Form 2553 is filed late, S treatment will begin with calendar year 2017.

September 15

File a 2015 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.

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Upcoming Tax Dates

January 1 — Everyone
Federal Holiday (New Year's Day) - Details

January 11 — Employees who work for tips
If you received $20 or more in tips during December, report them to your employer - Details

January 12 — 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 December 2015.

January 14 — Regular method taxes
Deposit the tax for the last 16 days of December 2015.

January 15 — Individuals
Make a payment of your estimated tax for 2015 if you did not pay your income tax for the year through withholding (or did not pay in enough tax that way). Use Form 1040-ES - Details

January 15 — Farmers & fishermen
Pay your estimated tax for 2015 using Form 1040-ES - Details

January 15 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in December 2015

January 15 — Nonpayroll withholding.
If the monthly deposit rule applies, deposit the tax for payments in December 2015.

January 18 — Everyone
Federal Holiday (Birthday of Martin Luther King, Jr./Inauguration Day) - Details

January 27 — Communications and air transportation taxes under the alternative method.
Deposit the tax included in amounts billed or tickets sold during the last 16 days of December 2015.

January 29 — Regular method taxes
Deposit the tax for the first 15 days of January.

View More Tax Dates