Penalties and Risks of Not Filing Your Taxes

Failing to file required tax returns when you have a filing obligation triggers penalties, interest, and possible IRS collection actions if taxes are owed.

The IRS receives income data from employers and payers through W-2 and 1099 forms, so it can identify nonfilers even without a submitted return. Individuals who owe tax face a failure-to-file penalty of 5 percent of the unpaid amount for each month or partial month the return is late, capped at 25 percent. When the return is more than 60 days late, a minimum penalty applies equal to the lesser of a set dollar amount or 100 percent of the underpayment. A separate failure-to-pay penalty of 0.5 percent per month also accrues, up to 25 percent, though the failure-to-file rate is reduced by the failure-to-pay amount in months when both apply.

Penalty Calculations and Minimums

The failure-to-file penalty applies to Form 1040 and similar returns. It is calculated on the tax due after subtracting timely payments and credits. For returns due in 2026 that remain unfiled beyond 60 days, the minimum penalty reaches $525 or the full underpayment, whichever is smaller. Interest compounds on both penalties and the underlying tax until paid in full. Reasonable cause can waive penalties, but the IRS requires documentation showing the delay resulted from circumstances beyond ordinary control.

Differences When a Refund Is Due

Taxpayers due a refund face no failure-to-file penalty. However, the refund must be claimed by filing within three years of the original due date, or the IRS keeps the money. Self-employed individuals lose Social Security and disability credits for any unreported self-employment income until a return is filed. Lenders and mortgage companies often require copies of recent returns, so missing filings can delay loan approvals even when no tax is owed. Our breakdown of Late Tax Filing With No Tax Due: Penalties and Refunds covers the related details.

IRS Substitute Returns and Enforcement

When a taxpayer does not respond to notices, the IRS may prepare a substitute for return using available income data. This version typically omits deductions and credits the taxpayer could claim, producing a higher proposed assessment. The agency then issues a notice of deficiency giving 90 days to file an actual return or petition the Tax Court. Unpaid assessments lead to collection steps that include federal tax liens, wage levies, and bank account seizures. Repeated nonfiling increases the chance of additional civil penalties or, in rare cases involving deliberate evasion, criminal prosecution.

Options for Past-Due Returns

Filing late returns remains the best step even after penalties begin. Taxpayers can request a short-term payment extension of 60 to 120 days with no fee through the IRS online tool or by phone. Longer-term installment agreements spread payments over months or years, though user fees and interest continue. Offers in compromise may reduce the total owed when full payment would cause economic hardship or when doubt exists about the correct amount. Volunteer Income Tax Assistance or Tax Counseling for the Elderly programs provide free preparation help for qualifying individuals.

Steps to Limit Further Damage

Obtain wage and income transcripts using Form 4506-T if records are missing. File all past-due returns at the address shown on any IRS notice received. Pay as much as possible with the return to stop additional interest and penalties. Those who cannot pay in full should apply for an installment agreement promptly rather than waiting for collection actions. Early filing preserves the ability to claim credits and deductions that a substitute return would ignore.

Information drawn from official IRS guidance and tax resources shows that acting quickly reduces total costs and keeps more resolution options open. IRS filing past due tax returns IRS failure to file penalty TurboTax what happens if I don't file taxes Empower what happens if you file taxes late