Dates To Remember for this Quarter

This tax calendar has the due dates for 2010 that most federal taxpayers will need. Employers and persons who pay excise taxes also should use the Employer's Federal Tax Calendar and the Federal Excise Tax Calendar.

Fiscal-year taxpayers - If you file your income tax return for a fiscal year rather than the calendar year, you must change some of the dates in this calendar. These changes are described under Fiscal-Year Taxpayers.

If you prefer to save the following tax dates within the Microsoft Outlook Calendar, please click the download link below. Then simply import the file into Microsoft Outlook by selecting "Import an iCalendar (.ics) or vCalendar file (.vcs)" and enjoy all of this year's Small Business Tax Events on your PC.
Download The IRS 2010 Outlook Tax Calendar*

General Federal Tax Calendar:

3rd Quarter 2010

The third quarter of a calendar year is made up of July, August, and September.

July 12:

Employees who work for tips. If you received $20 or more in tips during June, report them to your employer. You can use Form 4070.

August 10:

Employees who work for tips. If you received $20 or more in tips during July, report them to your employer. You can use Form 4070.

September 10:

Employees who work for tips. If you received $20 or more in tips during August, report them to your employer. You can use Form 4070.

September 15:

Individuals. Make a payment of your 2010 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment date for estimated tax in 2010. For more information, see Publication 505.

Corporations. File a 2009 calendar year income tax return (Form 1120 or 1120-A) and pay any tax, interest, and penalties due. This due date applies only if you requested an automatic 6-month extension. Otherwise, see March 15.

S Corporations. File a 2009 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.

Corporations. Deposit the third installment of estimated income tax for 2010. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.

Partnerships. File a 2009 calendar year return (Form 1065). This due date applies only if you were given an additional 5-month extension. Provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1.

The information in this tax calendar comes from the Internal Revenue Service Publication 509.