August 2021 Business Due Dates
August 2 - Self-Employed Individuals with Pension Plans
If you have a pension or profit-sharing plan, this is the final due date for filing Form 5500 or 5500-EZ for calendar year 2020.
August 2 - All Employers
If you maintain an employee benefit plan, such as a pension, profit sharing, or stock bonus plan, file Form 5500 or 5500-EZ for calendar year 2020. If you use a fiscal year as your plan year, file the form by the last day of the seventh month after the plan year ends.
August 2 - Certain Small Employers
Deposit any undeposited tax if your tax liability is $2,500 or more for 2021 but less than $2,500 for the second quarter.
August 2 - Federal Unemployment Tax
Deposit the tax owed through June if more than $500.
August 10 - Social Security, Medicare and Withheld Income Tax
File Form 941 for the second quarter of 2021. This due date applies only if you deposited the tax for the quarter in full and on time.
August 16 - Social Security, Medicare and Withheld Income Tax
If the monthly deposit rule applies, deposit the tax for payments in July.
August 16 - Non-Payroll Withholding
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