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 4th 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 4th 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 and S Corporations

Form 1120 and 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 4th, 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.

August 2015
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Upcoming Tax Dates

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

August 10 Social security, Medicare, and withheld income tax
File Form 941 for the second quarter of 2015. This due date applies only if you deposited the tax for the quarter timely, properly, and in full.

August 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 July.

August 14 Regular method taxes
Deposit the tax for the last 16 days of July.

August 17 Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in July.

August 17 Nonpayroll withholding
If the monthly deposit rule applies, deposit the tax for payments in July.

August 26 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 July.

August 28 Regular method taxes
Deposit the tax for the first 15 days of August.

August 31 Heavy highway vehicle use tax
File Form 2290 and pay the tax for vehicles first used in July.

August 31 Wagering tax
File Form 730 and pay the tax on wagers accepted during July.

View More Tax Dates