Prefer Investozora on Google
Get real-time financial updates.
April 15, 2026 • 4:50 AM ET
The April 15 IRS filing and payment deadline has passed. Taxpayers who did not file or pay by midnight are now subject to the IRS penalties of 5% per month and the failure-to-pay penalty of 0.5% per month, plus interest at 6% annually compounded daily beginning April 16.
If you missed the April 15 deadline, penalties and interest began accruing today, but the damage is entirely controllable if you act now. Millions of Americans miss the April 15 tax filing or payment deadline every year, and the IRS has a specific, well-documented penalty structure for exactly this situation. Understanding what the missed deadline actually costs, and what steps cut those costs immediately, is the difference between letting the penalties compound and stopping them in their tracks.
The most important fact about a missed deadline is this: filing your return as soon as possible, even without full payment, eliminates the most expensive penalty you face. The failure-to-file penalty is 5 percent per month, ten times larger than the failure-to-pay penalty of 0.5 percent per month. Every day you wait to file costs more than every day you wait to pay.
What the IRS Penalties Cost Starting Today
Two separate penalties apply to taxpayers who missed the deadline without filing a Form 4868 extension.
The failure-to-file penalty is 5 percent of your unpaid taxes for each month, or part of a month, that your return is late. It reaches a maximum of 25 percent of unpaid taxes after five months. For a taxpayer who owes $3,000 and does nothing after today, that is $150 added to their bill in the first month alone. By month five, the failure-to-file penalty alone reaches $750.
The failure-to-pay penalty is 0.5 percent of unpaid taxes for each month the payment remains outstanding. On a $3,000 balance, that is $15 per month. The failure-to-pay penalty also caps at 25 percent, but it takes 50 months to reach that ceiling, and it continues accruing even after the failure-to-file penalty maxes out.
When both penalties apply in the same month, the combined rate is 5 percent, the IRS reduces the failure-to-file portion to 4.5 percent to accommodate the 0.5 percent failure-to-pay charge, per IRS penalty rates. The maximum combined penalty across both categories reaches 47.5 percent of unpaid taxes in the worst-case scenario: 22.5 percent failure-to-file over five months, plus 25 percent failure-to-pay over the full collection period.
Interest is separate from both penalties. The IRS charges 6 percent annually on any unpaid balance, compounded daily, for Q2 2026 beginning April 1, according to IRS Internal Revenue Bulletin 2026-08. Interest accrues on top of the penalty balance, not just on the original tax owed.
The minimum penalty for a return more than 60 days late is $525 (for 2026 returns) or 100 percent of the tax owed, whichever is smaller. A taxpayer who owes $200 and files more than two months late faces a minimum penalty equal to their entire tax bill.
The IRS assesses these penalties directly on your account, but collection ultimately flows through the Bureau of the Fiscal Service at the U.S. Treasury, the same agency that processes your tax refunds. The Bureau manages the government’s receivables and can apply future tax refunds to outstanding penalty and interest balances through the Treasury Offset Program before releasing any remainder to you.
The Single Most Important Step Right Now
File your return today, even if you cannot pay the full amount. This one action eliminates the failure-to-file penalty from accumulating further. Once your return is on file, only the failure-to-pay penalty applies and at 0.5 percent per month, it is manageable compared to the 5 percent monthly charge you are currently facing.
You can file electronically right now at no cost using IRS Free File available through irs.gov. For taxpayers whose income exceeds the Free File threshold, major tax software platforms including TurboTax, H&R Block, and TaxAct all support immediate e-filing. The IRS accepts returns electronically year-round, not just during filing season. E-filing today means the IRS receives your return immediately and your penalty clock stops on the failure-to-file side.
If you cannot pay in full, pay what you can today using IRS Direct Pay at irs.gov/payments. Every dollar you pay reduces the balance on which penalties and interest compound. Then apply for an IRS payment plan, a formal installment agreement reduces your failure-to-pay penalty from 0.5 percent per month to 0.25 percent per month while the agreement is in effect.
The $1.2 Billion That Is Now Gone
There is one component of today’s deadline that cannot be reversed under any circumstances. The three-year lookback window for claiming unclaimed 2022 federal tax refunds closed at midnight tonight. The IRS confirmed in IR-2026-37 that approximately $1.2 billion in unclaimed 2022 refunds belonged to 1,322,600 taxpayers across all 50 states.
The median refund was $686. As of today, that money has permanently transferred to the U.S. Treasury General Account. No appeal, no extension, no exception exists under federal law. If you were among those 1.3 million Americans and did not file your 2022 return before today, that specific refund cannot be recovered.
This permanent forfeiture does not affect your obligation to file 2025 returns. If you owe taxes for 2025, those debts and their associated penalties remain fully active and growing. The closure of the 2022 refund window is a separate statutory event from the filing obligation for 2025.
What You Should Do Now
- File your 2025 federal return electronically today using the official IRS website — even without paying in full. Filing now stops the 5 percent per month failure-to-file penalty from continuing.
- Pay any amount you can toward your balance through IRS payments using Direct Pay. Every payment reduces the compounding base.
- Apply for an installment agreement using the online payment plan application. An approved plan cuts your failure-to-pay penalty from 0.5% to 0.25% per month.
- Call IRS support at 1-800-829-1040 to request first-time penalty abatement if you have a clean filing and payment history for the prior three tax years.
- Check your balance, notices, and payment history through your IRS online account.
Missing a deadline feels overwhelming, but the IRS penalty structure for a missed deadline is completely navigable once you understand what the costs are. The tax extension guide explains how an extension would have worked before midnight and remains the right reference for October 15 filers who filed in time.
Our refund processing guide explains how the IRS processes returns regardless of when they arrive. Once your return is filed, use our refund status guide to track processing. And for the full picture of how the federal payment system connects IRS accounts to your bank account, see the money movement system.
Editorial Note: Investozora is an independent news publication. This content is for informational purposes only. For official guidance, please visit irs.gov.
