“The hardest thing in the world to understand is the income tax.”
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Final estimated tax payment due for the prior year (Q4)
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Deadline to receive W-2s and 1099s from employers and payors
Deadline to issue 1099s to contractors and W-2s to employees
Deadline to file Form 940 (Federal Unemployment)
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Deadline for S corporations (Form 1120-S) and Partnerships (Form 1065)
Deadline to file an extension for S corps or Partnerships (Form 7004)
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April 15 – Deadline for C corporations (Form 1120)
April 15 – Q1 estimated tax payment due
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Deadline for expatriates (U.S. citizens living abroad) to file taxes without penalty
June 15 – Q2 estimated tax payment due
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Deadline for S corporations (Form 1120-S) and Partnerships (Form 1065) on extension
September 15 – Q3 estimated tax payment due
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Final estimated tax payment due for the prior year (Q4)