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: