Table of Contents
- 9 IRS Penalties Taxpayers Commonly Try to Challenge
- Why IRS Penalty Challenges Are So Fact-Specific
- 1. Failure-To-File Penalty
- 2. Failure-To-Pay Penalty
- 3. Estimated Tax Penalty
- 4. Accuracy-Related Penalty
- 5. Failure-To-Deposit Penalty
- 6. Information Return Penalties
- 7. Trust Fund Recovery Penalty
- 8. Frivolous Return Or Frivolous Submission Penalty
- 9. Penalties Tied To Foreign Information Reporting
- Common Themes In Penalty Challenges
- The Wrong Relief Theory
- The Facts Are Too General
- The Penalty Notice Is Treated As Self-Explanatory
- The Underlying Tax Issue Gets Ignored
- Why Attorney Experience Matters In Penalty Disputes
- The Bottom Line
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9 IRS Penalties Taxpayers Commonly Try to Challenge
If an IRS notice includes penalties, the tax bill often feels a lot bigger than the original tax issue. That is one reason penalty disputes come up so often. In many cases, taxpayers are not only arguing about the amount owed. They are also trying to remove or reduce additions that may have been triggered by a late filing, a late payment, an underpayment, or a reporting issue.
This post walks through nine IRS penalties that taxpayers commonly try to challenge, why those disputes happen, and what kinds of arguments tend to come up. In general terms, the most effective challenges are highly penalty-specific. The IRS treats different penalties very differently, and relief that may be available for one penalty may not exist for another. The agency says reasonable-cause relief is considered case by case, and it also notes that some penalties, including certain estimated tax penalties, are not eligible for reasonable-cause relief in the usual way. IRS penalty relief guidance and IRS penalty appeal guidance
If you are trying to get oriented first, it may help to start with a broader overview of how IRS penalty relief works, including first-time relief and reasonable-cause strategy. That bigger picture matters because a taxpayer might have a plausible challenge to one penalty and no viable challenge at all to another.
Scroll to the bottom for every post in this series.
Why IRS Penalty Challenges Are So Fact-Specific
IRS penalties are not one-size-fits-all. Some are automatic and formula-based, while others depend on findings about negligence, substantial understatement, willfulness, or responsibility. The IRS’s Internal Revenue Manual explains that penalty relief depends on the applicable Internal Revenue Code section, Treasury regulations, and the facts and circumstances surrounding the noncompliance. IRS Internal Revenue Manual on penalty relief
That distinction matters because taxpayers often approach penalties with a single broad argument: “I had a good reason.” Sometimes that is relevant. Sometimes it is not. For example:
- A late-filing penalty may be challenged through first-time abatement or reasonable cause in some situations. IRS penalty relief guidance
- An estimated tax penalty often turns on statutory exceptions or recalculation rules, not ordinary reasonable-cause arguments. IRS estimated tax penalty procedures
- A trust fund recovery penalty turns on whether the person was responsible and acted willfully, which is a very different inquiry. IRS trust fund recovery penalty overview
In other words, the first question is rarely “Can this penalty be challenged?” A better starting point is often, “What kind of penalty is this, and what legal standard applies to it?”
1. Failure-To-File Penalty
The failure-to-file penalty is one of the most common penalties individual taxpayers try to challenge. The IRS generally imposes it when a return is filed after the due date, including extensions if a valid extension was obtained. The IRS states that the penalty is typically 5% of the unpaid tax for each month or part of a month the return is late, up to 25%. IRS Publication 17 and IRS Internal Revenue Manual on failure-to-file and failure-to-pay penalties
Why taxpayers challenge it:
- They had a medical event, casualty loss, records problem, or serious disruption
- They believed an extension covered both filing and payment
- They relied on someone else to handle the filing
- They have a clean compliance history and are looking for first-time relief
What often matters here is why the return was late and what records support that explanation. The IRS says reasonable cause may apply when a taxpayer exercised ordinary business care and prudence but was still unable to file on time. IRS penalty relief guidance
A recurring issue is reliance on a preparer. Taxpayers often assume that hiring a professional automatically excuses a late filing. That is not always how the IRS analyzes it. In many disputes, the details matter: what information the taxpayer gave the preparer, when they gave it, whether the return was actually ready to file, and whether there were unusual circumstances interfering with the filing process.
2. Failure-To-Pay Penalty
The failure-to-pay penalty is another frequent target because it can continue accruing even after the return is filed. The IRS generally charges 0.5% of the unpaid tax for each month or part of a month after the due date, up to 25%, though the rate can vary in some collection settings. The IRS also notes that when failure-to-file and failure-to-pay apply in the same month, the filing penalty is reduced for that month. IRS collection procedural questions FAQ and IRS Publication 17
Why taxpayers challenge it:
- They filed on time but could not pay in full
- They thought an extension extended the payment deadline
- They had a short-term financial disruption tied to illness, disaster, or another event
- They believe the IRS misapplied payments or overstated the unpaid balance
The challenge here is that lack of funds alone often does not carry the day. The IRS generally looks for evidence that the taxpayer used ordinary care and prudence and still could not pay, rather than treating every cash-flow problem as reasonable cause. IRS penalty appeal guidance
This is also where strategy can get delicate. A taxpayer may want to explain financial hardship without accidentally making broader admissions that complicate the underlying tax position. That is one reason many people look for guidance on framing a penalty-relief request carefully, especially when the rest of the account is still in dispute.
3. Estimated Tax Penalty
The estimated tax penalty surprises a lot of taxpayers, especially self-employed individuals, investors, retirees, and business owners with variable income. Unlike some other penalties, this one is often more mechanical than discretionary. The IRS says ordinary reasonable-cause relief does not generally apply to certain estimated tax penalties, and the Internal Revenue Manual explains that reliance on a tax advisor generally is not, by itself, a basis for waiver under the usual statutory standard. IRS penalty relief guidance and IRS estimated tax penalty procedures
Why taxpayers challenge it:
- Income was received unevenly during the year
- The IRS calculated the penalty without using the annualized income method
- A retirement, disability, or casualty event may qualify for a statutory waiver
- They believe withholding or credits were posted incorrectly
This is one of the clearest examples of why using the wrong argument can sink an otherwise valid request. Taxpayers often tell the IRS they had a good reason for underpaying, when the more relevant issue may be whether the penalty was computed correctly or whether a specific statutory exception applies. Publication 505 discusses estimated tax rules and exceptions, and Form 2210 is often part of that analysis for individuals. IRS Publication 505
4. Accuracy-Related Penalty
The accuracy-related penalty is commonly asserted after an examination or adjustment. The IRS states that it is generally 20% of the portion of the underpayment attributable to negligence, disregard of rules or regulations, or substantial understatement of income tax, among other grounds. IRS accuracy-related penalty page
Why taxpayers challenge it:
- They believe their reporting position was reasonable
- They relied on a tax professional or a tax opinion
- The alleged understatement is tied to a legitimate legal dispute rather than negligence
- The IRS examiner layered a penalty on top of a complex issue without fully addressing the taxpayer’s disclosures or documentation
This category often produces some of the most technical disputes because taxpayers are not just arguing numbers. They are arguing about state of mind, disclosure, substantiation, and good-faith reliance. The IRS manual notes that reliance on a professional tax advisor may support a reasonable-cause and good-faith defense in the right circumstances. IRS Internal Revenue Manual on return-related penalties
A challenge here often turns on:
- whether the taxpayer kept records,
- whether the legal issue was genuinely uncertain,
- whether a disclosure was made,
- and whether professional advice was based on complete and accurate facts.
5. Failure-To-Deposit Penalty
Businesses commonly challenge the failure-to-deposit penalty when employment tax deposits were late, short, or misapplied. The IRS states that the penalty rate depends on how late the deposit was, with escalating percentages and a potential 15% rate in some circumstances after notice and demand. IRS failure-to-deposit penalty page
Why taxpayers challenge it:
- The payment was made but posted to the wrong period
- The business used the wrong deposit schedule
- A payroll processor made an error
- A bank, EFTPS, or transmission issue caused the delay
- The IRS account transcript does not match what actually happened
This penalty can be especially frustrating because taxpayers often assume a payroll company’s mistake ends the inquiry. In reality, the IRS often still examines the employer’s compliance responsibility and the specific cause of the missed deposit. The Internal Revenue Manual also ties this penalty to reasonable-cause standards, but the factual showing typically has to be specific to each deposit event. IRS Internal Revenue Manual on failure-to-deposit penalties
For employers, this is one of the areas where records are everything: EFT confirmations, bank logs, payroll reports, correspondence, corrected filings, and proof of when instructions were given.
6. Information Return Penalties
Information return penalties come up when businesses file forms late, file incorrect forms, or fail to furnish correct statements to recipients. These disputes may involve Forms 1099, W-2, and other reporting obligations. The IRS manual says an information return penalty may be waived or abated if the error was due to reasonable cause and not willful neglect, but it also says first-time abatement does not apply to these penalties. IRS information return penalty procedures
Why taxpayers challenge it:
- Missing or incorrect taxpayer identification numbers
- Filing software or vendor errors
- Incorrect formatting or transmission issues
- Large-volume reporting problems where the business argues it had procedures designed for compliance
This is another penalty where taxpayers sometimes rely on the wrong relief theory. If someone assumes first-time relief is available just because they have a clean history, the IRS may reject that request without ever reaching the stronger issue: whether the filer had reasonable cause and established compliance procedures.
Large information return assessments can become expensive quickly, especially for employers and businesses with many payees. That often makes the quality of the written response especially important.
7. Trust Fund Recovery Penalty
The trust fund recovery penalty, often called the TFRP, is very different from routine individual penalties. The IRS may assess it personally against a person who was responsible for collecting, accounting for, and paying over certain taxes, and who willfully failed to do so. The IRS says the penalty equals the full amount of the unpaid trust fund tax, plus interest. IRS trust fund recovery penalty overview
Why taxpayers challenge it:
- They were not actually a “responsible person”
- They lacked authority over payroll or tax decisions
- They did not act willfully
- Another owner, manager, lender, or controller was making the real decisions
- The IRS interview or narrative oversimplified their role
These cases are often very fact-intensive. Titles alone are rarely the whole story. The IRS manual focuses on responsibility and willfulness, and disputes often revolve around signature authority, control over finances, authority to hire and fire, knowledge of unpaid taxes, and decisions about which creditors were paid. IRS Internal Revenue Manual on establishing responsibility and willfulness for TFRP
For many business owners, officers, managers, and bookkeepers, this is the penalty that feels most personal because it can pierce the gap between company liability and individual exposure.
8. Frivolous Return Or Frivolous Submission Penalty
The IRS takes frivolous filings seriously. The agency states that IRC Section 6702 allows a $5,000 penalty for frivolous tax returns and certain specified frivolous submissions, including some collection hearing requests, installment agreement requests, and offer-in-compromise filings if they are based on frivolous positions or are intended to delay tax administration. IRS guidance on frivolous tax arguments
Why taxpayers challenge it:
- They did not understand the position was categorized as frivolous
- They copied arguments from online sources or promoters
- They contend the filing was incomplete, mistaken, or misunderstood rather than intentionally obstructive
- They want to withdraw or correct the submission after receiving notice
This category is a cautionary one. Many of the arguments that trigger this penalty are recycled from tax-protester materials the IRS has been rejecting for years. What makes these cases difficult is that a taxpayer may genuinely think they are raising a legal argument, while the IRS may view the same position as already settled and sanctionable.
In practice, these disputes often benefit from careful review before more documents are filed. Repeating the same argument in a different format can make the situation worse rather than better.
9. Penalties Tied To Foreign Information Reporting
Taxpayers also frequently challenge penalties tied to international reporting forms, such as Form 8938 and other foreign information returns, particularly when they did not realize the filing requirement existed. These cases can involve high dollar amounts and complicated factual questions about residency, ownership, reporting thresholds, and whether the failure was non-willful.
The IRS’s broader penalty-relief framework recognizes that some information return penalties can be addressed through reasonable-cause arguments, but the specific statute and form involved often control the path. IRS penalty relief guidance and IRS information return penalty procedures
Why taxpayers challenge them:
- They were unaware of offshore reporting requirements
- They lived abroad and misunderstood which forms applied
- They used a preparer unfamiliar with international filings
- The IRS assessed large penalties based on missing forms rather than unpaid tax
These disputes can become especially sensitive because taxpayers may be trying to fix past compliance while also limiting the risk of broader enforcement consequences. That often makes the factual narrative, timing, and documentation unusually important.
Common Themes In Penalty Challenges
Even though these nine penalties are very different, a few patterns show up again and again.
The Wrong Relief Theory
A taxpayer may have a valid complaint but frame it under the wrong legal standard. For example, first-time abatement may help with certain failure-to-file or failure-to-pay penalties, but it generally does not apply to information return penalties. IRS information return penalty procedures
The Facts Are Too General
The IRS tends to respond better to specific timelines, documents, and causal links than to broad statements about hardship or confusion. In many cases, the issue is not whether something bad happened. The issue is whether that event actually prevented compliance for the period at issue.
The Penalty Notice Is Treated As Self-Explanatory
Penalty notices often look simple, but the underlying account history may not be. Posting errors, duplicate assessments, missing elections, and computational issues sometimes sit underneath what appears to be a routine penalty bill.
The Underlying Tax Issue Gets Ignored
Sometimes the best path to reducing a penalty is tied to fixing the underlying tax adjustment itself. An accuracy-related penalty, for example, may fall away in whole or in part if the underlying understatement is reduced.
If you are comparing options, it may also help to read more about the common mistakes that weaken penalty-relief requests and how people often try to support reasonable-cause arguments with actual documentation. The recurring lesson is that penalty disputes often turn less on emotion and more on fit between the facts, the documents, and the exact relief provision available.
Why Attorney Experience Matters In Penalty Disputes
IRS penalty disputes may look administrative on the surface, but they can raise legal, procedural, and evidentiary issues quickly. That is particularly true where the penalty involves:
- willfulness,
- fraud-adjacent allegations,
- business payroll taxes,
- international reporting,
- or a risk that one explanation may affect another tax issue.
In situations like that, many taxpayers look for counsel with documented experience in highly similar matters, not just general tax familiarity. An attorney who has actually handled penalty abatement submissions, Appeals work, payroll tax disputes, or trust fund recovery penalty cases may be better positioned to spot the issues that matter most to the IRS record.
The Bottom Line
Taxpayers commonly challenge IRS penalties for late filing, late payment, estimated tax underpayments, accuracy issues, payroll deposits, information returns, trust fund taxes, frivolous submissions, and foreign reporting failures. But the word “penalty” can be misleading, because each of these categories has its own rules, defenses, and pressure points.
In general terms, a strong challenge often starts with correctly identifying the penalty, the governing standard, and the facts that actually matter under that standard.
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