December 15, 2023:

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• 4th Quarter Federal estimate due (C Corporation)**

• 4th Quarter Idaho estimate due (ABE PTE and C Corporation)**

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January 16, 2024:

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• 4th Quarter Federal estimate due (Individual Taxpayers) **

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January 31, 2024:

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• 1099s and W-2s must be postmarked (both to recipients and the government)

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* Some state due dates may vary                              

** Calendar Year Taxpayers

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