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 that most taxpayers will find useful. 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 2021 Outlook Tax Calendar*

General Federal Tax Calendar:
4th Quarter 2021

The fourth quarter of a calendar year is made up of October, November, and December.

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 2021. 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.

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