Penalties for Unfiled Tax Returns: Failure-to-File vs. Failure-to-Pay (2026 IRS Rates)

Meta description: Discover 2026 IRS penalties for unfiled tax returns. Failure-to-file penalty at 5% per month vs failure-to-pay at 0.5%. Learn how Brightside Tax Relief can help reduce penalties and file back taxes. Call 914-214-9127.

The Difference Between Failure-to-File and Failure-to-Pay Penalties

With the April 15, 2026 deadline for 2025 tax returns fast approaching, many Americans are worried about the consequences of late or unfiled returns. Unfiled tax returns trigger two main IRS penalties: the failure-to-file penalty and the failure-to-pay penalty. These penalties can quickly add up, but understanding them is the first step to resolution.

At Brightside Tax Relief, we specialize in helping taxpayers with unfiled returns, back taxes, and penalty abatement. Our experts can guide you through the process to minimize your liability.

What is the Failure-to-File Penalty?

The failure-to-file penalty applies when you don’t file your tax return by the due date, including extensions. According to the IRS (Publication 653), the penalty is 5% of the unpaid tax amount for each month or fraction of a month the return is late, up to a maximum of 25%.

Key details for 2026:

• Rate: 5% per month/partial month
• Maximum: 25% of unpaid taxes
• Minimum penalty if >60 days late: Lesser of $525 or 100% of tax owed

Example: If you owe $10,000 and file 3 months late, the penalty is 15% or $1,500.

What is the Failure-to-Pay Penalty?

The failure-to-pay penalty kicks in if you don’t pay the taxes owed by the due date, even if you file on time. It’s less severe than failure-to-file.

IRS rate: 0.5% per month or partial month on unpaid taxes, up to 25%. It can increase to 1% if you receive a levy notice.

Key details:

• Rate: 0.5% per month (1% post-levy)
• Maximum: 25%

Example: $10,000 owed, unpaid for 10 months: 5% or $500.

How Do These Penalties Interact?

If both apply, the failure-to-file penalty is reduced by the failure-to-pay rate (0.5%) for the first 5 months. Total max combined is about 47.5%. Interest accrues daily on top, currently around 8% annually.

Pro tip: Filing late (even without paying) stops the 5% FTF penalty, reducing it to the slower 0.5% FTP.

Other Consequences of Unfiled Tax Returns

Beyond penalties:

• No statute of limitations: IRS can assess taxes indefinitely until you file.
• Substitute for Return (SFR): IRS files for you without deductions/credits, inflating your tax bill.
• Liens, levies, wage garnishment.
• Passport denial if debt >$59,000.
• Rare criminal charges for willful non-filing.

How to Reduce or Abate Penalties for Unfiled Returns

1. File immediately: Stops FTF clock.

2. Request penalty abatement: First Time Abate (FTA) or reasonable cause (illness, disaster).

3. Installment agreement or Offer in Compromise (OIC).

Internal links: Tax Resolution Services | Penalty Abatement

Need Help with Unfiled Tax Returns?

Don’t let unfiled returns ruin your finances. Contact Brightside Tax Relief today for a free consultation. Call 914-214-9127 or visit brightsidetaxrelief.com to start resolving your back taxes.

Our team has helped thousands catch up on years of unfiled returns and negotiate with the IRS.