📅 October 15 · Form 1040, Form 1120
Extended Personal & C-Corp Returns Due
If you filed Form 4868 in April, your personal return is now due. No more extensions. C-Corps on extension are also due.
Who: Individuals and C-Corps who filed extensions
⚠️ Penalty for Missing This Deadline
Failure-to-file penalty continues to accrue. File even if you can't pay — the filing penalty is 10x worse than the payment penalty.
Tips to Stay on Track
1
File today even if you can't pay the full amount
2
Set up an IRS payment plan (installment agreement) if needed
3
Check your state — some states have different extension deadlines
Other Tax Deadlines
Related Resources
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