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Updated: April 9, 2026

Understanding IRS Tax Penalties

The IRS imposes various penalties when taxpayers fail to meet their federal tax obligations. Understanding these penalties is crucial for avoiding costly mistakes and knowing your rights when seeking relief. Here are the most common types of IRS penalties:

Failure-to-File Penalty (One Column List)

The failure-to-file penalty applies when you don’t file your tax return by the due date, including extensions. This is one of the most severe penalties.

Rate:

5% of unpaid taxes for each month or part of a month your return is late

Maximum:

25% of your unpaid taxes late

Combined Penalty:

If both failure-to-file and failure-to-pay apply, the max combined penalty is 5% per month

Estimated Tax Penalty:

For not paying enough throughout the year via withholding or estimated payments

Important Response Deadlines (Two Column List)

Sarah qualifies for First-Time Penalty Abatement (FTA). She files her return immediately, pays the tax owed, and submits Form 843 or calls the IRS to request FTA. The IRS removes all $1,200 in penalties. She still owes the original $8,000 plus interest, but saves $1,200 in penalties.

CP14 (First Notice):

Pay or respond within 21 days to avoid further collection action

Letter 1058 (Intent to Levy):

You have 30 days to request a Collection Due Process hearing

CP2000 (Proposed Changes):

Respond within 30 days from the notice date

Notice of Deficiency:

You have 90 days (150 if outside the US) to petition Tax Court

Important Response Deadlines

Sarah qualifies for First-Time Penalty Abatement (FTA). She files her return immediately, pays the tax owed, and submits Form 843 or calls the IRS to request FTA. The IRS removes all $1,200 in penalties. She still owes the original $8,000 plus interest, but saves $1,200 in penalties.

CP14 (First Notice):

Pay or respond within 21 days to avoid further collection action

Letter 1058 (Intent to Levy):

You have 30 days to request a Collection Due Process hearing

CP2000 (Proposed Changes):

Respond within 30 days from the notice date

Notice of Deficiency:

You have 90 days (150 if outside the US) to petition Tax Court

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