Important Tax Deadlines

  Tim Pass
  Tim Pass, CPA

Submitted by Tim Pass, CPA. Smith Schafer.

Updated for 2024

Make sure your calendar is up-to-date with these important deadlines

July 31
Form 5500 Series – Employee Benefit Plan 

September 15
Form 1065 – Partnership Extended Return
Form 1120-S – S Corporation Extended Return
Form 1120 – C Corporation June 30 Fiscal Year End 

October 2
Form 1041 – Trusts & Estates Extended Return 

October 15
Form 1120 – C Corporation Extended Return
Form 1040 – Individual Extended Return
FinCEN 114 (extended with Form 1040)
Form 5500 Series – Employee Benefit Plan Extended Return

Reminder: Review year-end tax planning 

November 15
Form 990 Series – Tax-exempt Organization Extended Return

Fiscal Year Filers
Partnership and S Corporation tax returns will be due the 15th day of the third month after the end of their fiscal tax year.

C Corporation tax returns will be due the 15th day of the fourth month after the end of their fiscal year.

Employee Benefit Plan tax returns are due the last day of the seventh month after the plan year ends.

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