FEDERAL INCOME TAX DUE DATES
Individual tax returns (Forms 1040)
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First deadline is April 18, 2023.
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Extended deadline is October 15, 2023.
FinCen 114 - FBAR
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First deadline is April 18, 2023.
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Extended deadline with Form 1040 is October 15, 2023.
Partnership returns (Form 1065)
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First deadline is March 15, 2023.
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Extended deadline is September 16, 2023.
Trust and Estate income tax returns (Form 1041)
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First deadline is April 15, 2023.
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Extended deadline is October 1, 2023
C-Corporation returns (Form 1120)
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First deadline is April 15, 2023 for corporations on a calendar year.
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Extended deadline is October 15, 2023.
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For corporations on a fiscal year other than a calendar year, the first deadline is the 15th day of the fourth month following the end of the corporation's fiscal year.
S-Corporation returns (Form 1120S)
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First deadline is March 15, 2023 for corporations on a calendar year (note there is no change of deadline).
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Extended deadline is September 17, 2023.
Tax exempt organizations (Form 990-EZ & Form 990)
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First deadline is May 15, 2023.
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Extended deadline is November 15, 2023.