Tax Calendar

Dates To Remember for this Quarter
Important Tax Dates for this Quarter Important Tax Dates for this Year
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This tax calendar has the due dates for 2008 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 the Outlook TASKS folder and enjoy all of this year's General, Employer and Excise tax dates on your pc.
Download MS Outlook Tax Calendar*

General Federal Tax Calendar:
4th Quarter 2008
The fourth quarter of a calendar year is made up of October, November, and December.
October 10:
Employees who work for tips. If you received $20 or more in tips during September, report them to your employer. You can use Form 4070.
October 15:
Individuals. If you have an automatic 6-month extension to file your income tax return for 2007, file Form 1040, 1040A, or 1040EZ and pay any tax, interest, and penalties due.
Partnerships. File a 2007 calendar year return (Form 1065). This due date applies only if you were given an additional 6-month extension. Provide each partner with a copy of Schedule K-1 (Form 1065) or a substitute Schedule K-1.
Electing large partnerships. File a 2007 calendar year return (Form 1065-B). This due date applies only if you were given an additional 6-month extension. See March 17 for the due date for furnishing Schedules K-1 or substitute Schedules K-1 to the partners.
November 10:
Employees who work for tips. If you received $20 or more in tips during October, report them to your employer. You can use Form 4070.
December 10:
Employees who work for tips. If you received $20 or more in tips during November, report them to your employer. You can use Form 4070.
December 15:
Corporations. Deposit the fourth installment of estimated income tax for 2008. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.


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