Tax Deadlines for the Remainder 2021

Tax Due Dates for the Remainder 2021

September 15, 2021: Deadline for third-quarter estimated tax payments for the 2021 tax year

September 15, 2021: Final deadline to file partnership and S corporation tax returns for tax year 2020, if an extension was requested (Forms 1065 and 1120-S)

October 15, 2021: Final extended deadline to file individual and corporate tax returns for the year 2020 (Form 1040 and Form 1120)

October 15, 2021: Deadline for taxpayers who earned $69,000 or less in adjusted gross income (AGI) for tax year 2020 to use Free File to prepare and file their returns

January 15, 2022: Deadline for fourth-quarter estimated tax payments for the 2021 tax year


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