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Written & Technically Reviewed by Sarah Lawson, Tax Manager
✓ Verified for 2026 IRS Regulatory Compliance
For most individual taxpayers, the deadline to file a federal income tax return (Form 1040) for the 2025 tax year was April 15, 2026. If you missed this deadline without filing an extension, the IRS imposes strict penalties.
Scenario 1: You Are Owed a Refund
If you have overpaid your taxes and are due a refund, there is generally no failure-to-file penalty. However, you must file your return within three years of the original deadline, or you will forfeit your refund completely.
Scenario 2: You Owe Taxes (The 2026 Penalties)
- The Failure-to-File Penalty: The standard penalty is 5% of your unpaid taxes for each month your return is late, capping at 25%.
- The 60-Day Minimum Penalty: For returns required to be filed in 2026, if your return is more than 60 days late, the minimum penalty is the smaller of $525 or 100% of your underpayment.
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About the Reviewer: Sarah Lawson
Sarah Lawson is the Tax Manager and a core member of the HurainTax team. She handles individual tax strategy, compliance review, and penalty abatement procedures for complex individual filings.