Fiscal Year Taxpayers

If you use a fiscal year (rather than the calendar year) as your tax year, you should change some of the dates in this calendar. Use the following general guidelines to make these changes.

The 3 months that make up each quarter of a fiscal year may be different from those of each calendar quarter, depending on when the fiscal year begins. Also see Saturday, Sunday, or legal holiday.

Individuals

Form 1040. This form is due on the 15th day of the 4th month after the end of your tax year.

Estimated tax payments (Form 1040-ES). Payments are due on the 15th day of the 4th, 6th, and 9th months of your tax year and on the 15th day of the 1st month after your tax year ends.

Partnerships

Form 1065. This form is due on the 15th day of the 3rd month after the end of the partnership's tax year. Provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1.

Form 1065-B (electing large partnerships). This form is due on the 15th day of the 3rd month after the end of the partnership's tax year. Provide each partner with a copy of Schedule K-1 (Form 1065-B) or a substitute Schedule K-1 by the first March 15 following the close of the partnership's tax year.

Corporations

Form 1120. These forms are due on the 15th day of the 4th month after the end of the corporation's tax year.

S Corporations

Form 1120S (or Form 7004). These forms are due on the 15th day of the 3rd month after the end of the corporation's tax year. S corporations must provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1.

Estimated tax payments. Payments are due on the 15th day of the 3rd(S Corporations), 4th (for Corporations), 6th, 9th, and 12th months of the corporation's tax year.

Form 2553. This form is used to choose S corporation treatment. It is due no more than two months and 15 days after the beginning of the tax year the election is to take effect or at any time during the preceding tax year.

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Upcoming Tax Dates

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

February 10 — Certain small employers
File Form 944 to report social security and Medicare taxes and withheld income tax for 2017. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Farm employers
File Form 943 to report social security and Medicare taxes and withheld income tax for 2017. This due date applies only if you deposited the tax for the year timely, properly, and in full.

February 10 — Federal unemployment tax
File Form 940 for 2017. This due date applies only if you deposited the tax for the year timely, properly, and in full.

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

February 15 — All businesses
Give annual information statements to recipients of certain payments you made during 2017 Details

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

February 15 — All employers
Begin withholding income tax from the pay of any employee who claimed exemption from withholding in 2017, but did not give you Form W4 to continue the exemption this year.

February 15 — Individuals
If you claimed exemption from income tax withholding last year on the Form W-4, you must file a new Form W-04 by this date to continue your exemption for another year Details

February 19 — Everyone
Federal Holiday (Washington's Birthday) Details

February 28 — All businesses
File information returns (for example, Forms 1099) for certain payments you made during 2017.

February 28 — Payers of gambling winnings.
File Form 1096 along with Copy A of all the Forms W2G you issued for 2017. If you file Forms W2G electronically, your due date for filing them with the IRS will be extended to 03-31. The due date for giving the recipient these forms remains 01-31.

February 28 — All employers
File Form W3, Transmittal of Wage and Tax Statements, along with Copy A of all the Forms W2 you issued for 2017. If you file Forms W2 electronically, your due date for filing them with the SSA will be extended to 03-31. The due date for giving the recipient these forms remains 01-31.

February 28 — Large food and beverage establishment employers
File Form 8027, Employer's Annual Information Return of Tip Income and Allocated Tips. Use Form 8027T, Transmittal of Employer's Annual Information Return of Tip Income and Allocated Tips, to summarize and transmit Forms 8027 if you have more than one establishment. If you file Forms 8027 electronically, your due date for filing them with the IRS will be extended to 03-31.

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