The Failure to File Penalty is an IRS penalty assessed when taxpayers don’t file their tax return by the due date, including extensions. This penalty is significantly more severe than the failure-to-pay penalty, charged at 5% of the unpaid tax for each month or part of a month that the return is late, up to a maximum of 25% of the unpaid tax. The substantial rate reflects the IRS’s emphasis on timely filing even when you cannot pay the full amount owed.
The penalty begins accruing the day after the filing deadline (typically April 15, or October 15 if you filed for an extension). If you’re more than 60 days late filing, the minimum penalty is the lesser of $485 (for 2024) or 100% of the unpaid tax, making extremely late filing particularly costly. The penalty applies even if you’re owed a refund, though in refund situations, there’s no tax to calculate the penalty against, effectively making it zero.
When both failure-to-file and failure-to-pay penalties apply for the same month, the IRS combines them at a rate of 5% (the 5% failure-to-file penalty is reduced by the 0.5% failure-to-pay penalty), resulting in a total 5% monthly penalty. After the return is filed, only the failure-to-pay penalty continues at 0.5% per month until the tax is paid or the 25% maximum is reached.
The failure-to-file penalty increases dramatically if the IRS determines your failure to file was fraudulent. The fraud penalty is 15% per month up to a maximum of 75%, replacing the standard failure-to-file penalty.
To avoid this penalty, file your return on time (even if you can’t pay), request an extension using Form 4868 before the deadline, or file as soon as possible if you’ve missed the deadline to limit penalty accumulation. You can request penalty relief through reasonable cause explanation if circumstances beyond your control prevented timely filing, or through first-time penalty abatement if you have a clean compliance history for the prior three years.
« Back to Glossary Index