The article addresses the IRS Large Business and International (LB&I) Division’s 2024 audit campaign targeting deferred legal fee structures — arrangements in which law firms representing clients on contingency defer recognition of fee income through third-party structures. The campaign followed the IRS’s 2022 generic legal advice memorandum (AM 2022-007), which concluded that fees deferred through certain third-party arrangements must be included in the law firm’s gross income in the year the funds are transferred to the third party. Attorneys interviewed for the Tax Notes article reported that despite the campaign announcement, they have not yet seen active audit activity in the area.

Otto Bosch — a former IRS Revenue Agent from the LB&I Global High Wealth Group who joined Kugelman Law in February 2026 — explained why that gap is normal.

“It is generally normal for an LB&I audit campaign — or any IRS enforcement initiative — to be announced before field agents receive formal training and before training materials are finalized,” Bosch told Tax Notes.

Otto identified the structural reasons for the lag — including required reviews of the Internal Revenue Manual and relevant court decisions — and noted that IRS University, the agency unit responsible for developing and delivering training across the IRS, has been affected by recent changes at the agency.

The Tax Notes piece reports that more than 200 LB&I agents recently received two days of training on the deferred legal fee topic, according to two sources familiar with the matter. That development confirms what Otto and other former IRS practitioners have been telling clients for months: active enforcement is moving from “announced” to “trained” — and the audit window is opening.

Why This Matters for Tax Practitioners and Law Firms Right Now

The announce-then-train gap is structurally normal, as Otto explained. What is not normal is the size of the window the gap creates for practitioners and their clients — and the cost of not using it well.

Three things are true about the current posture of the deferred legal fee campaign:

1. The framework that defines compliance is clearer than the rhetoric suggests. The IRS is not targeting all deferred attorney fee structures. As George A. Luecke and Patrick J. Hindert observed in a June 2025 Tax Notes piece cited in the May 2026 article, the campaign does not appear to target structures that are compliant with the framework laid out in Childs v. Commissioner, 103 T.C. 634 (1994). The IRS’s concern is with arrangements that “materially deviate from Childs” — particularly those involving “aggressive promoters, attorney-taxpayer loans, or other structural elements that, while not technically loans, produce similar economic effects for attorney-taxpayers.”
2. The promoter investigation tells you where the IRS is going. The Tax Notes reporting confirms that the IRS issued information document requests to Brook-Hollow Capital LLC and Brook-Hollow Financial LLC in August 2023 as part of a Section 6700 investigation into whether the companies organized or promoted abusive tax shelters. The IRS’s understanding of the Brook-Hollow structure — a fee paid to one entity and a loan of up to 97% of the deferred legal fees from a related entity — is the kind of structure most at risk.
3. Criminal Investigation is starting to ask questions. The Tax Notes article reports that an IRS special agent asked about deferred legal fee arrangements during a client meeting several months ago, suggesting that IRS-CI is at least exploring the topic. While LB&I has historically been reluctant to make criminal referrals (as former IRS fraud enforcement adviser Michael Welu noted in the article), the involvement of criminal investigators changes the risk calculus for any practitioner whose structures sit outside the Childs safe harbor.

What the IRS-Insider Perspective Adds

One of the reasons Otto was sought as a source for the Tax Notes piece is that the procedural realities of IRS examination — how campaigns are launched, how field agents are trained, how the Internal Revenue Manual is updated, how cases get selected and developed — are not transparent from outside the agency. Practitioners and taxpayers tend to react to enforcement headlines without a clear sense of where the campaign actually is in its operational cycle.

That cycle matters because the right defensive posture depends on the campaign’s stage:

• In the early stages, before active examinations, the priority is positioning — reviewing existing structures against the Childs framework, identifying structural features that materially deviate from it, and considering whether modifications, unwinds, or other proactive steps are warranted.
• As field agents complete training and examinations begin, the priority shifts toward defense readiness — understanding what an LB&I examination of these structures will actually look like, what Information Document Requests the agency is likely to issue, and how the audit will be developed against the framework set out in AM 2022-007 and applied through the lens of Childs.
• Once examinations are active, the priority is execution — defending the specific structure on the specific facts, with the case file built from day one for what comes next at Appeals or in U.S. Tax Court.

The May 2026 Tax Notes reporting suggests the campaign is moving out of stage one and into stage two. For practitioners and law firms with deferred legal fee structures in place — or contemplating them — that transition is the moment when proactive review is most valuable.

How Kugelman Law Approaches These Matters

Kugelman Law advises tax practitioners, law firms, and high-net-worth taxpayers on the full lifecycle of federal tax controversy matters — from pre-controversy structural review through IRS examination defense and, where necessary, U.S. Tax Court litigation. The firm’s combination of capabilities is structured deliberately for matters like this one.

Founder Alex Kugelman brings nearly two decades of federal tax controversy experience, including litigation in U.S. Tax Court and U.S. District Court. Otto Bosch brings the inside-the-IRS perspective from his time as a Revenue Agent in the LB&I Global High Wealth Group — the specialized unit that examines the most complex returns of the wealthiest U.S. taxpayers. We covered the strategic value of this combination in detail in our article on why a former IRS revenue agent attorney changes audit defense, and the underlying examination dynamics in our pieces on what IRS Revenue Agents do and inside the IRS audit playbook.

For practitioners with deferred legal fee structures, the practical question is whether the structure sits comfortably inside Childs, whether any structural elements would be characterized by an LB&I examiner as materially deviating from Childs, and what — if anything — should be done before active examinations begin.

Speak With Kugelman Law

If you advise on or use deferred legal fee structures, or if you have any other complex federal tax controversy matter you would like to discuss, schedule a paid privileged consultation with Kugelman Law. Call (415) 968-1780 or visit our contact page. All consultations are fully protected by attorney-client privilege.

Read the full Tax Notes article: “More Scrutiny of Deferred Legal Fee Structures Could Be Coming” by Lauren Loricchio (Tax Notes, May 26, 2026). Subscription required.

About the Author

Alex Kugelman is the founder and managing attorney of Kugelman Law, a boutique tax controversy and cryptocurrency tax firm serving California and clients nationwide. With nearly two decades of federal tax controversy experience — including litigation in the U.S. Tax Court and U.S. District Court — Alex represents individuals and businesses in their most consequential disputes with the IRS and the California Franchise Tax Board. He is a member of the State Bar of California (No. 255463), admitted to the Bar of the U.S. Supreme Court, and served as San Francisco Chair of the Federal Bar Association’s Tax Division in 2018. He is also a member of the Marin County Assessment Appeals Board and a nationally recognized cryptocurrency tax attorney featured on the Bitcoin.tax podcast and The Mark Milton Show. Read Alex’s full bio.

If you have received an IRS audit notice — or you are worried one might be coming — one of the first questions worth answering is who, exactly, will be examining your return. The answer matters more than most taxpayers realize. The IRS is not a single, undifferentiated organization. Examinations are conducted by specific employees with specific titles, training, and authority — and the most consequential examinations are handled by a particular kind of IRS employee called a Revenue Agent.

So what does an IRS revenue agent do? In short: a Revenue Agent is the IRS employee assigned to conduct in-depth examinations of complex tax returns, develop adjustments, and build the case file the agency relies on at every stage of dispute resolution. A Revenue Agent’s findings become the basis for proposed assessments, penalties, and — if the case escalates — the record that follows the matter into Appeals or U.S. Tax Court.

This article walks through the role of an IRS Revenue Agent from the inside: how cases are selected, what an examination actually looks like step by step, how internal IRS review works, and what taxpayers should understand before responding to the first contact letter. The perspective is informed by Kugelman Law attorney Otto Bosch, who served as a Revenue Agent in the IRS Global High Wealth Group within the Large Business and International (LB&I) Division before joining the firm in February 2026.

What Is an IRS Revenue Agent?

A Revenue Agent is a credentialed IRS employee whose job is to conduct examinations of tax returns. Most Revenue Agents have backgrounds in accounting and have completed extensive in-house IRS training in tax law, examination procedure, and case development. They are professionals, not paper-pushers, and the cases they handle are generally the cases the IRS has decided are worth investing real examination resources in.

Revenue Agents work civilly. That is, they are not criminal investigators (those are Special Agents within IRS Criminal Investigation, or IRS-CI). But Revenue Agents do conduct what the IRS calls eggshell and reverse-eggshell audits — civil examinations that may have parallel or downstream criminal implications — and they are trained to recognize the badges of fraud and to coordinate with IRS-CI when appropriate.

The Revenue Agent’s authority during an examination is significant. They can issue Information Document Requests (IDRs), conduct interviews, summon third-party records under appropriate procedures, propose adjustments, and recommend penalties. What they cannot do alone is impose a final tax liability — that comes through the formal notice procedures and, if contested, through Appeals or the courts.

How IRS Revenue Agents Are Different from Other IRS Personnel

One of the most common sources of confusion for taxpayers is conflating different IRS roles. Three roles in particular are routinely mistaken for one another:

• Revenue Agents conduct civil audits of tax returns. They are accountants who develop adjustments to taxes owed.
• Revenue Officers collect taxes that have already been assessed. They handle levies, liens, wage garnishments, and the negotiation of installment agreements and offers in compromise.
• Special Agents are criminal investigators within IRS-CI. They build criminal tax fraud, money laundering, and related cases for prosecution.

Each role uses different procedures, requires different defensive strategies, and presents different risks. Knowing which IRS employee you are dealing with is the first step in any tax controversy. If a Revenue Officer is on your matter, the assessment phase is over and the focus has shifted to collections defense. If a Special Agent shows up, civil strategy is no longer the right framework. If a Revenue Agent is conducting your audit, the case is in the development phase — and how that development is managed will define the outcome.

How a Return Lands on a Revenue Agent’s Desk

Returns reach Revenue Agents through several distinct paths, and the path matters because it tells the agent — and an experienced defense team — something about the IRS’s interest in the case.

DIF scoring. The Discriminant Function (DIF) system is a statistical model the IRS uses to score returns for audit potential. High-DIF returns are flagged for review and routed for selection. Most ordinary audits begin this way.

Related-return pickups. When a Revenue Agent is examining one return and finds issues that connect to another taxpayer’s return — a partnership and a partner, a corporation and a shareholder, related entities under common ownership — the related return can be opened for examination as well. This is one reason a single audit can quickly grow into multiple coordinated examinations.

Information matching. The IRS receives extensive third-party information — W-2s, 1099s, K-1s, foreign account reports, broker reports, cryptocurrency exchange disclosures — and matches that data against filed returns. Material mismatches generate notices, and significant mismatches can escalate into a full examination.

Compliance projects and initiatives. The IRS regularly runs enforcement initiatives focused on specific issues — syndicated conservation easements, microcaptive insurance arrangements, cryptocurrency reporting, foreign account compliance, and employee retention credit claims, among others. Returns within the scope of an active initiative are far more likely to be selected.

Whistleblower and informant referrals. The IRS Whistleblower Program pays awards for actionable information about tax noncompliance, and substantiated referrals can result in examination.

Global High Wealth and LB&I selection. For the most complex high-net-worth and corporate examinations, returns are selected through specialized risk-based processes within LB&I, including the enterprise-level approach used by the Global High Wealth Group.

The path of selection often shapes the contour of the examination. A DIF-selected return is usually examined for the issues that drove the score. A related-return pickup tends to focus on the connecting transactions. A project-driven examination is concentrated on the specific issue the project is targeting. Recognizing which is which is one of the things a former IRS revenue agent attorney brings to a defense team from day one.

The Anatomy of an IRS Audit from a Revenue Agent’s Perspective

When a Revenue Agent is assigned a case, the examination unfolds along a fairly predictable arc. Understanding that arc — and the agent’s internal incentives at each stage — is essential to responding effectively.

Pre-Contact and Initial Review

Before the agent ever contacts the taxpayer, the case goes through pre-contact analysis. The agent reviews the return, analyst notes, prior-year returns, and any third-party data already on file. They develop a preliminary issue list — the things they expect to examine — and identify the documents they will need. By the time the audit notice arrives in the mail, the agent has already formed initial views about the case. Sophisticated taxpayers (and sophisticated defense counsel) plan around that reality.

The Opening Conference and First Information Document Request

The first formal contact is generally a notice of examination followed by an opening conference (in person, by telephone, or virtually). At or shortly after the opening conference, the agent issues an initial Information Document Request — the IDR — listing documents and information needed to proceed.

The first IDR is one of the most important documents in the entire examination. It defines the initial scope, signals what the agent considers most important, and frames every subsequent issue. Responses to the first IDR generate the second IDR, which is often where the audit’s actual depth becomes visible. Taxpayers who treat the first IDR as routine paperwork frequently regret it.

Issue Development and Fieldwork

This is the heart of the examination. The agent reviews documents, conducts interviews, examines books and records, and develops each issue toward a recommended adjustment. Within LB&I, this stage often involves multiple specialists — international examiners, computer audit specialists, engineers, financial product experts — coordinating on technical questions. Within the Global High Wealth Group, the entire enterprise of related entities and transactions is considered together rather than examined return by return.

During fieldwork, the agent is not only developing issues but also building the workpapers — the internal documentation that will support each adjustment through supervisor review, Appeals, and any subsequent litigation. That workpaper file is the case. Whatever is in it is what the IRS will rely on later. Whatever is not in it is what the taxpayer can challenge.

Internal Review, Supervisor Sign-Off, and Counsel Coordination

Revenue Agents do not act alone. Throughout an examination, supervisors review the agent’s work, push back on weak positions, and approve significant decisions. For complex issues, IRS Counsel may be involved to provide legal advice on questions the examination cannot resolve internally. Aggressive penalties, fraud referrals, summons enforcement, and other escalations all run through layered approval processes.

This internal architecture creates leverage points for the defense. A position the agent personally favors but the manager is reluctant to defend is a different position than one with full institutional backing. Recognizing the difference — and knowing where to apply pressure — is the kind of insight that comes from having been on the inside.

Closing the Case

Examinations close in one of three general ways. A “no-change” closing means the agent did not find adjustments and the return is accepted as filed. An “agreed” closing means the taxpayer accepts the proposed adjustments (typically by signing Form 870 or similar), the deficiency is assessed, and collections begin if amounts are owed. An “unagreed” closing means the taxpayer contests the proposed adjustments, the agent issues a Revenue Agent’s Report and a 30-day letter, and the case proceeds to Appeals — and ultimately, if necessary, to U.S. Tax Court following a statutory notice of deficiency.

How a case closes is heavily influenced by how it was developed during fieldwork. Cases that are positioned correctly during the examination tend to close cleanly. Cases that are mishandled tend to close badly — with assessments larger than they needed to be, penalties that should not have applied, or records that handicap any subsequent appeal.

Where IRS Revenue Agents Work: SB/SE, LB&I, and Global High Wealth

Not all Revenue Agents are equivalent. The IRS organizes its examination function into divisions, and the division handling a particular case tells you a great deal about the agency’s interest and approach.

Small Business / Self-Employed (SB/SE). This is the largest examination division by case volume. SB/SE Revenue Agents handle most individual and small-business audits — Schedule C examinations, smaller partnership audits, closely held business reviews, and a wide range of personal income tax matters.

Large Business and International (LB&I). LB&I handles the more complex side of corporate, partnership, and high-net-worth examinations. LB&I cases tend to involve higher stakes, more specialists, longer timelines, and significantly more sophistication in issue development.

Global High Wealth Group. Within LB&I, the Global High Wealth Group is the most specialized of all — the team that examines the most complex returns of the wealthiest U.S. taxpayers. Global High Wealth uses an enterprise audit approach, looking at the full web of related entities, trusts, partnerships, and personal returns as an integrated whole. Adjustments developed under that approach can surface issues that would be invisible in a return-by-return examination.

For taxpayers facing a Global High Wealth or LB&I examination, the importance of insider perspective is at its highest. The procedures, specialists, internal review processes, and risk calculus inside that group are not visible from the outside. This is precisely the perspective Otto Bosch brings to every Kugelman Law audit defense matter.

What This Means for You as a Taxpayer Under Audit

Two practical implications follow from understanding how Revenue Agents actually work.

First, the early stages of an examination are the most consequential. By the time the case reaches Appeals or court, much of the record is already fixed. Decisions made in responding to the first IDR, in handling the opening conference, in giving (or not giving) interviews, and in producing (or not producing) documents shape the case in ways that cannot be undone later. Audit defense begins with the first contact letter, not with the 30-day letter.

Second, who is on the other side of the table matters. A Revenue Agent in SB/SE conducting a routine Schedule C audit operates very differently than a Global High Wealth team conducting a coordinated enterprise examination. Defense strategy should match the examination — and that match starts with correctly identifying who is examining you and why.

These are the considerations that drive how Kugelman Law approaches every audit defense matter. With founder Alex Kugelman‘s nearly two decades of federal tax controversy and U.S. Tax Court litigation experience and Otto Bosch‘s direct background as a former Revenue Agent in the IRS Global High Wealth Group, the firm pairs federal litigation capability with inside-the-IRS examination experience — a combination most controversy practices simply cannot offer.

Representative outcomes from the firm’s controversy practice include a $365,000 tax debt reduced to a zero-dollar liability, a multi-year audit and non-filing matter resolved with minimal payment, and ten years of unfiled returns brought into compliance with a successful outcome. Results depend on specific facts. Past results do not guarantee future outcomes.

Frequently Asked Questions

What is the difference between an IRS Revenue Agent and an IRS auditor?

“IRS auditor” is a colloquial term that taxpayers use to describe anyone at the IRS conducting an examination. Inside the agency, the more precise terms are Tax Compliance Officer (TCO) — who handles less complex office and correspondence audits — and Revenue Agent, who handles more complex field examinations. Revenue Agents are the personnel who handle the substantive cases.

How long does an IRS Revenue Agent audit take?

Audit length varies dramatically depending on complexity. A focused single-issue examination may close in a few months. A complex partnership or high-net-worth examination, particularly one conducted through the Global High Wealth Group, can take a year or more. Length is also affected by responsiveness, the number of specialists involved, and whether the case is escalated to Appeals.

Do IRS Revenue Agents have authority to assess penalties?

Yes. Revenue Agents can propose accuracy-related penalties, late-filing and late-payment penalties, and in appropriate cases, civil fraud penalties. Penalty assessments generally require supervisory approval and are subject to challenge through Appeals and the courts. Penalty defense is a meaningful component of any sophisticated audit defense.

Can I refuse to meet with an IRS Revenue Agent?

You can decline to be personally interviewed and have your representative communicate with the agent on your behalf in most circumstances. There is rarely a strategic reason for an unrepresented taxpayer to sit for an unprepared interview with a Revenue Agent. The right approach is to retain a tax controversy attorney before any interview takes place.

What happens if I disagree with the Revenue Agent’s findings?

If the examination ends in proposed adjustments you disagree with, you can request a conference with the agent’s manager, file a formal protest with the IRS Independent Office of Appeals, and ultimately litigate the deficiency in U.S. Tax Court (after a statutory notice of deficiency) or in U.S. District Court or the Court of Federal Claims (after paying the deficiency and filing a refund claim). The path that fits your situation depends on the specific facts.

Speak With Kugelman Law

If a Revenue Agent has opened an examination of your return — or you have reason to believe one is coming — schedule a paid privileged consultation with Kugelman Law. Call (415) 968-1780 or visit our contact page. All consultations are fully protected by attorney-client privilege.

You have a narrow window to respond, and the choices you make in the first thirty days often determine whether you pay the proposed amount, negotiate it down, or escalate the matter into a full audit or U.S. Tax Court petition.

At Kugelman Law, we handle CP2000 notices nearly every week — for wage earners, business owners, crypto investors, and high-net-worth individuals throughout California and nationwide. This guide explains exactly what the notice means, what the deadlines are, how to craft an effective response, and when bringing in a tax attorney is the right move.

What Is an IRS CP2000 Notice?

A CP2000 is a proposed adjustment — not a bill, and not technically an audit. The IRS Automated Underreporter (AUR) unit uses computer matching to compare the information on your Form 1040 against Forms W-2, 1099-NEC, 1099-DIV, 1099-B, 1099-K, 1099-DA, 1098, K-1, and similar information returns filed by banks, brokers, employers, and crypto exchanges. When the computer detects a mismatch, it generates a CP2000 proposing additional tax, interest, and often a 20% accuracy-related penalty.

The notice will contain several critical components: a summary of the proposed changes, a detailed explanation showing which line items triggered the adjustment, a response form, and a response deadline. Miss that deadline and the IRS will typically issue a Statutory Notice of Deficiency — your ticket to Tax Court, but also the point at which your administrative options narrow dramatically.

Common Triggers for a CP2000 Notice

The CP2000 is generated automatically, which means the underlying mismatch is sometimes the IRS’s fault, sometimes the taxpayer’s, and sometimes a reporting error by a third party. Frequent triggers include unreported brokerage 1099-B sales, missing 1099-NEC contractor income, retirement distributions reported as fully taxable when a portion was rolled over, unreported cryptocurrency transactions from exchanges like Coinbase or Kraken, mismatched W-2 wages following a mid-year job change, 1099-K reporting from payment processors that double-counts income, and K-1 flow-through income that was omitted or misreported.

Your IRS CP2000 Notice Response Deadline: 30 Days, Not 90

The single most important date on the notice is the response deadline — generally 30 days from the date printed on the CP2000 (60 days if you are outside the United States). This is not the same as the 90-day deadline on a Statutory Notice of Deficiency, and confusing the two is a costly mistake.

If you respond within 30 days, the IRS will consider your explanation and supporting documents administratively. If you ignore the notice or respond too late, the IRS will typically issue a follow-up CP3219A — the Statutory Notice of Deficiency — which gives you exactly 90 days to petition U.S. Tax Court or the proposed assessment becomes final and collectible. That 90-day deadline cannot be extended. Ever. For anyone.

What Happens If You Miss Both Deadlines

If both windows close, the tax is assessed, the penalties stack, interest continues to accrue, and the account moves to IRS Collections. At that point the dispute is no longer about whether you owe the money — it is about how the IRS will collect it. You can still request audit reconsideration, file a refund claim after paying, or pursue Collection Due Process rights, but your leverage drops substantially. This is why a prompt IRS audit response matters from day one.

How to Respond to an IRS CP2000 Notice

There are three response paths, and choosing the right one depends on the facts.

1. You Agree with the Proposed Changes

If the IRS is correct and you simply missed reporting the income, sign the response form, return it, and arrange payment. If you cannot pay in full, you can request an installment agreement, submit an Offer in Compromise, or be placed in Currently Not Collectible status — options our firm handles through our tax collections practice.

2. You Partially Agree

This is the most common scenario. The IRS may be right about the unreported 1099 but wrong about the cost basis, or right about the income but wrong about the penalty. You sign the response indicating partial agreement and attach a detailed explanation with supporting documents — cost basis records, corrected 1099s, brokerage confirmations, wallet transaction histories, reasonable-cause penalty abatement arguments, or anything else that supports a different number.

3. You Disagree Entirely

Full disagreement requires a written response addressing every proposed change point by point, supported by documentation. This is the path where a tax attorney adds the most value — the response effectively becomes your opening brief, and poorly drafted explanations can undermine your case if the matter later escalates to Appeals or Tax Court.

CP2000 Notices and Cryptocurrency: A Growing Enforcement Area

Since the IRS began receiving 1099-B, 1099-MISC, and now 1099-DA reporting from major U.S. cryptocurrency exchanges, CP2000 notices for unreported crypto income have surged. The AUR unit sees the gross proceeds reported by Coinbase, Kraken, Gemini, or Robinhood but typically has no visibility into the taxpayer’s cost basis — so the proposed adjustment often assumes a zero basis, which dramatically overstates the true tax owed.

These cases are technical. They require reconstructing transaction history across multiple exchanges and wallets, applying the correct accounting method (FIFO, HIFO, or specific identification), and presenting the reconciliation in a form the IRS examiner can verify. Our firm handles this work through our cryptocurrency accounting and audits practice, and we regularly reduce proposed crypto CP2000 assessments by 70% or more once proper basis documentation is supplied. Results depend on specific facts. Past results do not guarantee future outcomes.

The Accuracy-Related Penalty: 20% You May Not Owe

Most CP2000 notices include a 20% accuracy-related penalty under IRC § 6662. That penalty is not automatic and can be challenged under the reasonable cause and good faith standard of IRC § 6664(c). If you relied on a professional, if the reporting error was not yours, if the issue involved genuinely unsettled law (as crypto tax treatment often does), or if the underreported amount falls below the substantial-understatement threshold, the penalty may be abated entirely. Penalty abatement is one of the highest-value moves in a CP2000 response, and it is routinely overlooked by taxpayers responding on their own.

When to Hire a Tax Attorney for a CP2000 Notice

Not every CP2000 requires counsel. A straightforward missing 1099-INT for $400 in bank interest can usually be handled with a signed response form and a check. But the calculus shifts quickly. Consider engaging an attorney when:

• The proposed tax, penalties, and interest exceed $10,000
• The notice involves cryptocurrency, foreign accounts, or pass-through entities
• You also have unfiled tax returns for other years
• You disagree with the IRS’s position and need to build a documented record
• The notice references fraud, civil fraud penalties, or criminal referral language
• You received a CP3219A Statutory Notice of Deficiency and are considering a U.S. Tax Court petition
• You are a California resident facing a parallel FTB notice generated from the same federal adjustment

An attorney-drafted response is protected by attorney-client privilege, which matters enormously when the facts are complicated or the exposure is significant.

How Kugelman Law Handles CP2000 Notices

Our process starts with a paid, privileged consultation with founder Alex Kugelman. We review the notice, the underlying tax return, and the third-party information returns the IRS relied on. We identify every factual and legal defense — basis reconstruction, reasonable cause, statute of limitations, missing income the IRS actually owes a refund on, and procedural defects in the notice itself. We draft the response, manage all IRS correspondence, and escalate to Appeals or Tax Court when the facts warrant it.

The firm has resolved matters ranging from modest brokerage mismatches to seven-figure crypto cases. In one representative result, a client facing a $365,000 CP2000-derived assessment walked away with a zero-dollar liability after a full reconstruction of cost basis and a reasonable-cause penalty argument. Results depend on specific facts. Past results do not guarantee future outcomes.

Speak with a Tax Attorney About Your CP2000 Notice

Kugelman Law offers paid, privileged consultations with founder Alex Kugelman — fully protected by attorney-client privilege. We do not offer free consultations, and we are not a tax resolution mill. We are a boutique firm representing taxpayers in serious controversies with the IRS and FTB.

Call (415) 968-1780 or schedule your consultation here. We represent clients throughout California and nationwide.

Frequently Asked Questions About IRS CP2000 Notices

Is a CP2000 notice an audit?

Technically no. A CP2000 is a proposed adjustment generated by the IRS Automated Underreporter unit through document matching. It is not a field audit or office audit. However, if you disagree and the case escalates, it can evolve into a full examination — and the tax and penalty consequences of losing are identical to an audit.

How long do I have to respond to a CP2000 notice?

You generally have 30 days from the date on the notice (60 days if you are outside the United States). If the IRS issues a follow-up Statutory Notice of Deficiency (CP3219A), you have 90 days to petition Tax Court — and that deadline is absolute.

What happens if I ignore a CP2000 notice?

The IRS will typically issue a Statutory Notice of Deficiency, and if you miss that 90-day Tax Court window, the proposed tax becomes assessed. The account moves to Collections, and your administrative options narrow. Interest and penalties continue to accrue the entire time.

Can the IRS be wrong on a CP2000?

Yes — frequently. The AUR system flags mismatches mechanically and often lacks cost basis information, records rollovers as taxable distributions, double-counts 1099-K income that was already reported on Schedule C, or misapplies exchange-reported crypto proceeds. A well-documented response routinely reduces or eliminates the proposed tax.

Will responding to a CP2000 trigger a full audit?

Responding in good faith with documentation rarely triggers a broader audit. What can trigger one is a response that opens up new issues, admits unreported income from other years, or contains inconsistencies with prior-year returns. This is another reason to have counsel review your response before it is submitted.

Can I set up a payment plan if I agree with the CP2000?

Yes. You can request an installment agreement, submit an Offer in Compromise if you qualify, or request Currently Not Collectible status. If the balance is collectible, our tax collections practice handles these negotiations.

Does California send its own version of the CP2000?

Yes. The California Franchise Tax Board issues parallel notices — often Form 4734D or similar — after it receives federal adjustment information. California residents frequently face both federal and state exposure from the same underlying issue, and coordinating both responses matters.

Does Kugelman Law offer free consultations for CP2000 notices?

No. We offer paid, privileged consultations with Alex Kugelman that are fully protected by attorney-client privilege. This is deliberate: free consultations are not privileged, which means anything you say can potentially be discovered. Our paid consultation model protects you from the first conversation forward.

About the Author: Alex Kugelman

Alex Kugelman is the founder and managing attorney of Kugelman Law, a boutique tax controversy and cryptocurrency tax firm serving clients throughout California and nationwide. Admitted to the California Bar in 2008 (No. 255463) and the U.S. Supreme Court, Alex has nearly two decades of federal tax controversy experience, including litigation in U.S. Tax Court and U.S. District Court. He served as San Francisco Chair of the Federal Bar Association’s Tax Division in 2018 and is a member of the Marin County Assessment Appeals Board. He is a nationally recognized cryptocurrency tax authority, featured on the Bitcoin.tax podcast and The Mark Milton Show. J.D., Chapman University Fowler School of Law (2007); B.A., University of Colorado at Boulder (2001). Read Alex’s full bio.

At Kugelman Law, we represent clients through every stage of California residency audits — from the initial FTB 4600 notice through protest, appeal, and, when necessary, Office of Tax Appeals litigation. This guide explains how the FTB analyzes residency, what evidence matters, which mistakes are fatal, and when to bring in counsel.

What Triggers a California Residency Audit?

The FTB does not audit every person who leaves California. It audits the ones it believes did not actually leave. The most common triggers include a part-year return showing a departure to a no-income-tax state, a large drop in reported California income following a pre-departure liquidity event (IPO, acquisition, large stock sale, business sale, or restricted stock vesting), continued ownership of a California home, California-based business interests, California professional licenses, California-registered vehicles, or California dependents enrolled in California schools. Cross-referenced data from the DMV, county recorders, employers, brokerages, and even utility companies gives the FTB a remarkably detailed picture of where you actually live.

The FTB also routinely audits former residents who sold California real estate, exercised stock options, received deferred compensation, or recognized a large capital gain in what they claimed was their first non-resident year. The pattern-matching is mechanical, and the departures that look financially motivated rather than life-motivated draw the most scrutiny.

The Legal Standard: Domicile vs. Residency

California taxes residents on worldwide income and non-residents only on California-source income. The statutory definition of “resident” in California Revenue and Taxation Code § 17014 has two prongs: (1) every individual who is in California for other than a temporary or transitory purpose, and (2) every individual domiciled in California who is outside the state for a temporary or transitory purpose.

The first prong is about physical presence and intent. The second prong is about domicile — the concept of a person’s true, fixed, permanent home and the place to which they intend to return whenever absent. You can have only one domicile at a time. Establishing a new domicile requires both physical presence in the new location and the intent to remain there indefinitely, while simultaneously abandoning California domicile. The FTB examines both.

The Closest-Connection Test: What the FTB Actually Examines

California does not use a simple day-count rule. Instead, the FTB applies a closest-connection analysis — sometimes called the 18-factor test — drawn from FTB Publication 1031, the Appeal of Stephen D. Bragg, and decades of Board of Equalization and Office of Tax Appeals precedent. No single factor is controlling. The examiner builds a weighted picture of where the taxpayer’s life is actually centered.

Key Factors in a California Residency Audit

The FTB will request documentation on, among other things:

• The location, size, and value of your California home versus your out-of-state home
• Whether the California home was sold, rented at arm’s length, retained for personal use, or left furnished and available
• Time spent in California versus elsewhere, documented by credit card statements, cell phone records, EZ-Pass and FasTrak records, airline records, and calendar entries
• Location of spouse and minor children
• Where children attend school
• Location of personal items of significant sentimental or economic value — artwork, collectibles, heirlooms, vehicles, boats, aircraft
• State of driver’s license, voter registration, vehicle registration, and jury duty registration
• Location of primary bank accounts, safe deposit boxes, and investment accounts
• Location of professional licenses and business affiliations
• Location of doctors, dentists, accountants, attorneys, and other personal advisors
• Location of religious, social, and civic memberships
• Declarations of residency on legal documents — wills, trusts, loan applications, homestead exemptions, and real estate closings
• Address used on tax returns, passport, and federal filings

The FTB will issue an Information Document Request (IDR) seeking years of records. Our firm handles the production strategically through our California tax audit practice, because how the evidence is presented often matters as much as what the evidence contains.

Common Mistakes That Lose Residency Audits

Most failed departures share the same handful of patterns. Each of these is fixable in advance; each is difficult to repair after the FTB has flagged the return.

Keeping the California House “Just In Case”

Retaining a California residence — especially one kept furnished, staffed, or available for personal use — is the single most common fact that sinks a residency claim. Renting it at fair market value on a long-term lease to an arm’s-length tenant is defensible. Letting a family member live there, using it during visits, or leaving it vacant is not.

Children in California Schools

If your children remain enrolled in California private schools — particularly with in-state tuition treatment — the FTB will presume the family’s center of life remains in California. The same applies to colleges where California residency determines tuition rates.

Paper Moves Without Real Moves

Changing your driver’s license and voter registration is not enough. The FTB has seen every version of the “paper move” — the Texas LLC, the South Dakota mail forwarding service, the Nevada address at a virtual office. Without genuine physical relocation, these moves fail every time.

Bad Timing Around Liquidity Events

If you claim a move date of December 28 and recognize a $15 million capital gain on January 3, the FTB will scrutinize every fact. Courts and the OTA have consistently found that moves timed around liquidity events require particularly clear evidence of intent. Planning the departure six or twelve months in advance — and documenting it — dramatically changes the outcome.

Continuing California-Source Income

Remaining a partner in a California law firm, serving on a California corporate board, holding California rental properties, or continuing to earn W-2 wages from a California employer without properly allocating workdays all keep California tax exposure alive — and provide the FTB with arguments that your connection never broke.

Part-Year Residents and the “Safe Harbor” for Overseas Work

California offers a narrow safe harbor under R&TC § 17014(d) for taxpayers absent from the state under an employment-related contract for at least 546 consecutive days. This is the so-called overseas employment safe harbor, and it has rigorous requirements — including that income from intangibles not exceed $200,000 during the taxable year, and that the absence not be for the principal purpose of avoiding California tax. The safe harbor rarely applies to typical domestic moves and is misunderstood often enough that we recommend counsel review before relying on it.

How a California Residency Audit Proceeds

A residency audit typically begins with an FTB 4600 notice or a narrowed audit letter specifically addressing residency status. The examiner will issue an IDR and request an interview. The taxpayer produces records, answers questions, and — in many cases — provides a sworn statement or affidavit. The FTB then issues a Notice of Proposed Assessment (NPA) if it determines California residency continued.

From there, the taxpayer has 60 days to file a written Protest. If the Protest is unsuccessful, the matter proceeds to the California Office of Tax Appeals (OTA), which conducts independent hearings before a three-judge panel. OTA cases are public, and the OTA has decided dozens of high-profile residency cases in recent years — many of which we monitor closely and cite in ongoing representations.

The Stakes: Why California Residency Audits Are So Expensive

California’s top marginal rate (including the mental health surcharge) exceeds 13.3%. A taxpayer who recognized a $5 million gain after what the FTB rules was an invalid change of residency faces roughly $665,000 in primary tax, plus penalties and interest. Multi-year audits can reach seven and eight figures. The Gilbert P. Hyatt v. FTB litigation famously extended for over two decades, and while most cases resolve faster, the financial exposure justifies early, careful representation.

Our firm has represented clients in residency matters ranging from modest part-year disputes to multi-million-dollar audits. Founder Alex Kugelman serves on the Marin County Assessment Appeals Board and has nearly two decades of federal and California tax controversy experience. Results depend on specific facts. Past results do not guarantee future outcomes.

Planning Before You Leave — and What to Do If the Audit Has Started

The best residency audit is the one you prevent. If you are planning to leave California and have a significant liquidity event approaching, the planning work — documentation, timing, severing of ties, and substantive relocation — needs to begin six to twelve months before the move. We handle pre-departure planning as part of our tax advisory services.

If the audit has already begun, do not produce records or respond to the FTB’s interview request without counsel. Residency audits are driven by narrative as much as documents, and a poorly managed interview can permanently damage the case. The production itself — what to produce, in what order, with what accompanying legal argument — is strategic work.

Speak with a California Residency Audit Attorney

Kugelman Law offers paid, privileged consultations with founder Alex Kugelman — fully protected by attorney-client privilege. We do not offer free consultations. We provide boutique, white-glove representation in FTB residency audits, protests, and OTA appeals.

Call (415) 968-1780 or schedule your consultation here. Our offices are in San Rafael, San Francisco, and Irvine; representation is provided remotely throughout California.

Frequently Asked Questions About California Residency Audits

How far back can the FTB audit my California residency?

The FTB has four years from the date a return is filed to assess additional tax (extended to six years in cases of substantial understatement and indefinitely if no return is filed). In residency cases, the FTB often examines multiple years at once — particularly the pre-departure year, the departure year, and the first full non-resident year.

Does spending fewer than 183 days in California make me a non-resident?

No. California does not use a bright-line day count. You can spend fewer than 183 days in the state and still be treated as a California resident if your closest connections remain in California under the closest-connection test.

I moved to Texas, changed my license, and bought a house there. Am I safe?

Not necessarily. Those are positive facts, but the FTB examines whether California ties were genuinely severed. Retaining a California home, California business interests, California family presence, or California professional affiliations can still result in a residency finding.

What if I split time between California and another state?

You will almost certainly be treated as a California resident. Split-time arrangements — particularly where California remains the place of the primary home, family, and business — are among the weakest residency defenses.

Can the FTB audit me after I’ve moved if I’m no longer a resident?

Yes. The FTB has jurisdiction over former residents for years in which California residency is disputed, and over non-residents who recognized California-source income. Moving does not terminate FTB audit authority over prior years.

What’s the difference between the FTB and the IRS in a residency matter?

The IRS does not care about your state of residency — it taxes worldwide income regardless. The FTB cares exclusively about whether you were a California resident in the years under audit. These are parallel systems, and California residency audits are handled by the FTB alone.

How long does a California residency audit take?

Typical audits take 12 to 24 months through the initial FTB examination and Protest stage. Matters that proceed to the Office of Tax Appeals often take an additional 18 to 36 months.

Does Kugelman Law offer free consultations for residency audits?

No. We offer paid, privileged consultations with Alex Kugelman. The paid-consultation model ensures that everything discussed is fully protected by attorney-client privilege from the first conversation — something a free intake call cannot guarantee.

About the Author: Alex Kugelman

Alex Kugelman is the founder and managing attorney of Kugelman Law, a boutique tax controversy and cryptocurrency tax firm serving clients throughout California and nationwide. Admitted to the California Bar in 2008 (No. 255463) and the U.S. Supreme Court, Alex has nearly two decades of federal tax controversy experience, including litigation in U.S. Tax Court and U.S. District Court. He served as San Francisco Chair of the Federal Bar Association’s Tax Division in 2018 and is a member of the Marin County Assessment Appeals Board. He is a nationally recognized cryptocurrency tax authority, featured on the Bitcoin.tax podcast and The Mark Milton Show. J.D., Chapman University Fowler School of Law (2007); B.A., University of Colorado at Boulder (2001). Read Alex’s full bio.

The recent federal decision in Kwong v. United States may give millions of taxpayers a path to recover IRS penalties and interest assessed during the COVID-19 pandemic. If you, your business, or your trust paid Failure-to-File, Failure-to-Pay, or related interest on a tax obligation due between January 20, 2020 and July 10, 2023, the Kwong decision could entitle you to a refund or abatement of those amounts — but the window to act is closing. For most taxpayers, the deadline to file a refund or protective claim is July 10, 2026.

This article walks through what the Kwong court held, the legal foundation that supports it, who is potentially eligible, what penalties may be in scope, and the practical steps to evaluate whether a claim is worth pursuing. It is written for a sophisticated audience — taxpayers, advisors, and professionals who want to understand the substance, not just the headlines.

What the Kwong v. United States Decision Held

At its core, the Kwong decision concluded that the IRS improperly charged certain penalties and interest during the COVID-19 federally declared disaster period. The court’s reasoning leaned on long-standing rules that suspend or postpone tax deadlines for taxpayers affected by a federally declared disaster — rules that, in the court’s view, should have prevented the IRS from accruing penalties and interest in the way it did during 2020 through 2023.

The practical takeaway is straightforward: penalties and interest tied to tax obligations falling within the disaster window — January 20, 2020 through July 10, 2023 — may have been assessed contrary to law. Taxpayers who paid those amounts can, in many cases, file a claim for refund or abatement.

Two important qualifiers deserve emphasis. First, Kwong is not yet a final word. The government can pursue further appellate review, and the holding could be affirmed, narrowed, or reversed. Second, the decision does not automatically refund anyone’s money. The IRS will not issue checks on its own initiative. Refund and abatement claims must be filed by the taxpayer within the applicable statute of limitations.

The Legal Foundation: IRC § 7508A and Federally Declared Disasters

To understand Kwong, it helps to look at the underlying statute. Internal Revenue Code § 7508A authorizes the Treasury Secretary to postpone tax deadlines and suspend penalty and interest accrual for taxpayers affected by a federally declared disaster. The provision is meant to ensure that taxpayers caught up in floods, hurricanes, wildfires, or other federally recognized emergencies are not penalized for failing to meet deadlines they could not reasonably meet.

The COVID-19 pandemic was declared a federal emergency under the Stafford Act in March 2020 and remained an active federal emergency until May 11, 2023. The federal disaster declaration tied to COVID-19 covered a period running from January 20, 2020 through approximately July 10, 2023, depending on the specific declaration and how the relief period is calculated.

The legal argument that Kwong validates is that this disaster declaration should have triggered statutory relief from penalties and interest for that entire window — and that the IRS’s piecemeal extensions (the May 17 deadline in 2020, certain quarterly safe harbors, and so on) did not satisfy the statute. If that reasoning holds up on appeal, an enormous number of taxpayer accounts assessed Failure-to-File, Failure-to-Pay, and related charges during 2020–2023 are open to challenge.

Who May Be Eligible for a Kwong Refund or Abatement

Eligibility is broad in concept but fact-specific in application. Generally speaking, the following groups should consider whether they have a viable claim:

Individuals

Any individual taxpayer who paid Failure-to-File, Failure-to-Pay, or late-payment interest on a federal tax obligation due between January 20, 2020 and July 10, 2023 may be eligible. This includes high-net-worth individuals, self-employed professionals, and anyone who filed late or paid late during the pandemic period.

Businesses and Entities

Corporations, partnerships, S-corporations, LLCs, trusts, and estates that paid penalties or interest tied to obligations within the disaster window are potentially eligible. This includes employment tax matters and information return penalties in some cases.

Nonprofits

Nonprofit organizations that incurred Form 990 late-filing penalties or related charges during the period may also have viable claims.

Pre-Existing Accruals

Taxpayers whose original return or payment due date preceded January 20, 2020 — but who continued to accrue penalties and interest into the disaster window — may have a partial relief argument for the portion that accrued during the qualifying period. These cases are more nuanced and benefit from careful transcript analysis.

Penalties and Interest That May Be in Scope

The most commonly cited penalties under Kwong theory are:

• Failure-to-File penalty (IRC § 6651(a)(1)) — typically 5% per month of the unpaid tax, capped at 25%.
• Failure-to-Pay penalty (IRC § 6651(a)(2) and (a)(3)) — typically 0.5% per month, with the rate adjusted in certain circumstances.
• Late-payment interest — interest charged on underpayments that ran during the disaster window.
• Estimated tax penalties (IRC § 6654 and § 6655) — for individuals and corporations who underpaid estimated tax during quarters falling within the disaster period.
• Certain information-return penalties — including late-filing penalties tied to information reporting obligations during the period.

Not every penalty assessed during 2020–2023 will qualify, and not every theory will survive appellate review. But the categories above are where the most meaningful refund opportunities sit.

The July 10, 2026 Deadline and Why Protective Claims Matter

For most taxpayers, the statute of limitations to file a refund claim related to Kwong-eligible penalties and interest closes on July 10, 2026. The deadline is grounded in the general rule of IRC § 6511, which limits refund claims to the later of three years from the date the return was filed or two years from the date the tax was paid.

This is where protective claims become critical. A protective claim is a refund claim filed before the statute of limitations runs, while the underlying legal question is still being resolved by the courts. Its purpose is to preserve the taxpayer’s right to a refund in case the law ultimately develops in their favor — even if the IRS does not yet recognize the claim as valid.

Two truths exist in tension here. First, the Kwong decision could be reversed on appeal, in which case a refund claim may not succeed on the merits. Second, if the decision is affirmed (or expanded by another circuit) and a taxpayer has not preserved their claim by the statute of limitations, no refund will be available regardless of how the law develops. Filing a protective claim addresses both risks: it costs the taxpayer the time and fees to prepare the filing, but it preserves the option to recover.

For taxpayers with significant penalty exposure during 2020–2023, the math usually favors filing. For taxpayers with minimal exposure, the cost of preparation may exceed the potential recovery.

How a Refund or Abatement Claim Actually Works

Filing a Kwong-based claim is not a one-page form. The work involved is meaningful, and understanding the steps helps taxpayers evaluate whether the project is worth the engagement.

Step 1 — IRS Account Transcript Audit

The first step is pulling and analyzing IRS account transcripts for each tax year and entity in scope. The transcripts identify which penalties were assessed, when they were assessed, when they were paid, and how much remains. Without this granular review, it is impossible to determine which penalty assessments fall within the qualifying window. This work overlaps significantly with the kind of transcript and audit analysis we routinely perform in IRS audit defense.

Step 2 — Eligibility and Quantification

Once the transcripts are in hand, the next step is identifying which assessments are Kwong-eligible, separating qualifying penalties from non-qualifying ones, and quantifying the potential refund. This is also where partial-relief arguments are evaluated for accruals that straddle the disaster window.

Step 3 — Form 843 (or Amended Return) Preparation

The actual claim is typically filed on Form 843 (Claim for Refund and Request for Abatement), with separate filings for each tax period and penalty type. The claim must articulate the legal basis — the federally declared disaster, the relevant statute, the Kwong rationale — and request the specific relief sought.

Step 4 — IRS Response and Follow-Up

The IRS may grant the claim, deny it, or hold it in abeyance pending appellate developments in Kwong. If denied, the taxpayer typically has two years to file suit in federal district court or the U.S. Court of Federal Claims. For taxpayers already in collections, parallel issues may need to be addressed through our tax collections practice.

What Happens If the IRS Appeals or the Decision Is Reversed

It is realistic to assume that the government will pursue further review of Kwong. If a higher court reverses, claims that have already been filed may be denied on the merits — but they will have preserved the procedural right to recover if the issue is later resurrected through different litigation or legislative action.

If the decision is affirmed or extended, the IRS may issue formal guidance, set up a streamlined claim process, or quietly grant pending claims. Taxpayers who filed early are typically better positioned to recover quickly under any of these scenarios. Taxpayers who waited may find themselves in the back of the queue or out of time entirely.

What Kugelman Law Recommends

Our approach reflects the realities of the matter. Kwong-based claims are real opportunities, but they are not free money — and the work required to file them properly is non-trivial. We are not automatically reviewing prior client files for Kwong eligibility, and pursuing a claim sits outside the scope of any existing engagement.

If you paid combined penalties and interest of approximately $10,000 or more during 2020–2023, we generally recommend commissioning a transcript audit before the July 10, 2026 deadline. Smaller exposures may not justify the engagement cost; larger or more complex matters — multi-entity portfolios, partnership filings, employment tax issues, late-filed returns from the period — usually warrant a full review. For taxpayers who have not yet filed for those years at all, the analysis ties directly into our unfiled tax returns work, since refund timing depends on when returns were filed.

We have nearly two decades of federal tax controversy experience, including U.S. Tax Court and U.S. District Court litigation, and we routinely handle high-stakes IRS and FTB matters for clients in San Francisco, Marin County, throughout California, and nationwide. If Kwong-related litigation becomes necessary down the line, our U.S. Tax Court litigation practice is positioned to handle it.

Past results illustrate the firm’s experience and do not predict outcomes in any particular matter. Kugelman Law has resolved a $365,000 tax debt to a zero-dollar liability for a client; resolved a multi-year audit and non-filing matter with minimal payment; and resolved ten years of unfiled returns with a successful outcome. Results depend on specific facts. Past results do not guarantee future outcomes.

How to Schedule a Paid, Privileged Consultation

Kugelman Law does not offer free consultations. We offer paid, privileged consultations with founder and managing attorney Alex Kugelman that are fully protected by attorney-client privilege from the first minute of the call. That structure exists for a reason: when you are discussing potentially sensitive tax history with counsel, you should not be doing it in a free intake call where privilege is uncertain.

To discuss whether a Kwong-based refund claim is appropriate for your situation:

Phone: (415) 968-1780
Schedule: https://www.kugelmanlaw.com/contact-us/
General tax help: Kugelman Law Tax Help

Frequently Asked Questions

Is the Kwong v. United States decision final?

No. The decision is subject to appeal, and the government may seek further review. A higher court could affirm, narrow, or reverse the holding. This is a primary reason we recommend filing protective claims now rather than waiting for finality.

What is the deadline to file a Kwong-based refund claim?

For most taxpayers, the deadline is July 10, 2026, calculated from the end of the COVID-19 federal disaster declaration period. The deadline can vary based on when the underlying return was filed and when the tax or penalty was paid. The general rule of IRC § 6511 — three years from filing or two years from payment, whichever is later — controls.

Do I qualify if my original return was due before January 20, 2020?

You may qualify for partial relief covering penalties and interest that accrued during the disaster window, even if the original due date predates January 20, 2020. These cases require careful analysis of when each penalty assessment was actually made on the IRS account.

What types of penalties does the Kwong decision cover?

The most commonly affected categories are Failure-to-File penalties under IRC § 6651(a)(1), Failure-to-Pay penalties under IRC § 6651(a)(2) and (a)(3), late-payment interest, estimated tax penalties under IRC § 6654 and § 6655, and certain information-return penalties tied to obligations falling within the disaster window.

What is a protective refund claim?

A protective claim is a refund claim filed before the statute of limitations expires, while the underlying legal question is still being decided. It preserves the taxpayer’s right to a refund in case the law develops favorably. Filing a protective claim does not guarantee a refund — it simply preserves the option to receive one.

How much in penalties should I have paid before pursuing a claim?

As a general rule, taxpayers who paid combined penalties and interest of approximately $10,000 or more during the 2020–2023 period should consider engaging counsel for a transcript audit. Smaller exposures may not justify the engagement cost, though every situation is fact-specific.

Will the IRS notify me if I am eligible for a Kwong refund?

No. The IRS does not currently have a process to identify and refund eligible taxpayers automatically. Recovery requires a properly prepared and timely filed refund or abatement claim by the taxpayer.

Can Kugelman Law review my prior tax filings for Kwong eligibility?

Yes, but this work requires a separate engagement. A formal transcript audit and claim preparation is time-intensive and is not part of any existing scope of representation. Please contact our office to schedule a paid privileged consultation to discuss whether a formal engagement is appropriate.

What happens if the Kwong decision is reversed on appeal?

If the decision is reversed, refund claims based exclusively on the Kwong rationale would likely be denied on the merits. However, having filed a timely protective claim still preserves procedural rights if the underlying legal issue is later revisited through different litigation or legislative action.

Does Kugelman Law represent clients outside California for Kwong claims?

Yes. While our offices are in San Rafael, downtown San Francisco, and Irvine, we represent clients throughout California and nationwide on federal tax matters. All representation is provided remotely, and federal refund claims and IRS controversies are within the scope of our nationwide practice.

About the Author

Disclaimer: This article is for informational purposes only and does not constitute legal advice. Tax law is complex and fact-specific. Reading this article does not create an attorney-client relationship with Kugelman Law. Results depend on specific facts. Past results do not guarantee future outcomes. To discuss your situation in a privileged setting, please schedule a paid consultation with Alex Kugelman at kugelmanlaw.com/contact-us or call (415) 968-1780.

Most taxpayers who receive an IRS audit notice make the same first call: their CPA. A few call a tax attorney. Almost none think to ask a more useful question — does the firm I’m hiring have anyone on the team who has actually sat on the other side of the audit table?

A former IRS revenue agent attorney is one of the rarest and most strategically valuable assets a tax controversy firm can put on a client matter. When the IRS examination team across the table is trained, equipped, and incentivized to develop adjustments against you, the single most important advantage you can secure is a defense team that includes someone who was trained inside that same playbook.

At Kugelman Law, that advantage is now part of every audit defense the firm handles, in the form of attorney Otto Bosch — a former Revenue Agent from the IRS Global High Wealth Group.

This article explains exactly what a Revenue Agent does, why an inside-the-IRS perspective changes the outcome of an audit defense, and how clients of Kugelman Law benefit from a team built around that distinction.

What an IRS Revenue Agent Actually Does

“IRS auditor” is a generic term most taxpayers use, but inside the agency, examination roles are highly specialized. A Revenue Agent is the IRS employee assigned to conduct in-depth examinations of tax returns — particularly the complex ones. Revenue Agents are not call-center employees, and they are not the people who issue automated correspondence notices about a missing 1099. They are accountants, often with advanced training and credentials, whose job is to dig into a return, identify issues, and develop adjustments the IRS can defend at every escalation point.

A Revenue Agent’s day-to-day work includes:

• Reviewing returns flagged by the IRS’s Discriminant Function (DIF) scoring system or selected through specific enforcement initiatives
• Issuing Information Document Requests (IDRs) and analyzing what taxpayers and representatives produce in response
• Conducting interviews with taxpayers, representatives, and third parties
• Building case files and workpapers that support each proposed adjustment
• Coordinating with IRS Counsel and supervisory managers on technical and procedural questions
• Issuing Notices of Proposed Adjustment and, ultimately, the formal Revenue Agent’s Report

Inside the IRS, agents are organized by division. The Small Business / Self-Employed (SB/SE) division handles most individual and small-business audits. The Large Business and International (LB&I) division handles corporate, partnership, and high-net-worth examinations. Within LB&I, the Global High Wealth Group is the most specialized of all — the team that audits the country’s wealthiest taxpayers using a coordinated, enterprise-level approach to complex pass-through structures, related-party transactions, and high-value individual portfolios.

That is the team Otto Bosch served on before joining Kugelman Law.

Why a Former IRS Revenue Agent Attorney Changes Audit Defense

There is a meaningful difference between knowing the tax code and knowing how the IRS uses it. Most tax attorneys learn the IRS from the outside — through court opinions, published guidance, and accumulated experience reading agency notices. A former IRS revenue agent attorney learns it from the inside, through formal IRS training, supervised casework, and the institutional knowledge of how examinations are actually run.

That insider perspective shifts audit defense in three concrete ways.

Anticipating What the IRS Will Do Next

A standard audit defense is reactive. The IRS asks; the taxpayer responds. The agent develops the next issue; the attorney scrambles to address it. A defense informed by inside-the-IRS experience is anticipatory. Former Revenue Agents know which issues an examination team is trained to develop, which questions on an early IDR are setting up future adjustments, and which client statements during interviews tend to escalate cases rather than close them. That foresight allows the defense to prepare positions, marshal documentation, and structure responses before the IRS asks — not after.

Reading the IRS’s Internal Risk Calculus

Revenue Agents are not free agents. They work within strict supervisory review processes, technical advice channels, and internal pressure to close cases efficiently. Every decision an agent makes — whether to escalate an issue, whether to push for a fraud penalty, whether to settle or take a position to Appeals — is filtered through that institutional risk calculus. A former Revenue Agent attorney can read those signals. They know when an agent is genuinely committed to a position versus when the agent is fishing for support, when a manager is likely to overrule an aggressive line of inquiry, and when to push for resolution at the examination level versus when to position the case for Appeals or U.S. Tax Court.

Recognizing the Difference Between a Routine Audit and an Eggshell Audit

Some audits are administrative exercises. Others are the early stages of a fraud investigation. The line between them is not always obvious to taxpayers, or even to attorneys without controversy experience — but it is recognizable to a former Revenue Agent. The badges of fraud, the pattern of questioning, the involvement of certain specialists, the timing of certain document requests — these all carry meaning from the inside. Misreading that line is one of the most expensive mistakes a taxpayer can make. Volunteering information to “look cooperative” in what turns out to be an eggshell audit can convert civil exposure into a criminal referral. Insider perspective is what prevents that mistake.

The Specific Advantages an IRS Insider Brings to Your Case

Distilled to a working list, here is what changes when a former IRS revenue agent attorney is part of a client’s defense team:

• Predicting the audit scope. Knowing what an agent’s first IDR will likely contain, and what the second and third will probably address, allows the defense to prepare on the right timeline rather than catching up after the fact.
• Managing IDR responses strategically. IDRs are not innocent paperwork. The information provided in response — and the information not provided — frames every subsequent issue. Insider experience shapes responses that satisfy the request without volunteering exposure.
• Identifying weak IRS positions early. Not every adjustment an agent proposes is a strong adjustment. Knowing which positions are routinely overturned at Appeals, and which positions managers are reluctant to defend, allows the defense to push back where pushing back actually works.
• Avoiding self-inflicted escalation. Many of the worst audit outcomes are caused by missteps the taxpayer or unprepared representative made early — improvised statements during an interview, careless document production, or unnecessary disclosures. A former Revenue Agent recognizes those traps before they spring.
• Speaking the agent’s language. Audits are negotiations as much as they are technical exercises. An attorney who can speak fluently about IRS workpapers, internal review timelines, and statutory procedural requirements from the agent’s own perspective tends to find a more reasonable counterparty on the other side of the table.
• Building a clean record for what comes next. If a case advances to Appeals or to U.S. Tax Court litigation, the record built during the examination is what the case is ultimately decided on. Insider experience shapes that record from day one for what comes after.

Meet Otto Bosch — Kugelman Law’s Former IRS Global High Wealth Agent

The advantages above are not abstract for Kugelman Law clients. They are embodied in the firm’s attorney Otto Bosch, who joined the firm in February 2026 after serving as a Revenue Agent in the IRS Global High Wealth Group within the Large Business and International (LB&I) Division.

The Global High Wealth Group is the IRS’s specialized unit for examining the most complex returns of the wealthiest U.S. taxpayers. Within that group, Otto worked Information Document Requests, Notices of Proposed Adjustment, partnership compliance issues, related-party transactions, hobby loss disputes, and the layered portfolio-level adjustments that define high-net-worth examinations. He led issue meetings with taxpayers and audit teams, served as the intermediary with IRS Counsel, and developed and resolved more than a dozen high-value adjustments using the enterprise audit approach unique to that group.

He also brings experience from KPMG’s Washington National Tax practice — the elite technical group at one of the Big Four — where he advised national and multinational clients on complex partnership and S-corporation transactions. He holds an LL.M. in Taxation with a focus on Partnership Tax, is an IRS Enrolled Agent, and is fluent in Spanish.

For Kugelman Law clients, Otto’s role is to bring that combined background to the defense of every audit, controversy, and high-stakes federal tax matter the firm handles.

When the IRS Insider Advantage Matters Most

Not every tax matter requires a former Revenue Agent. A simple correspondence audit on a missing 1099 generally does not. But the insider advantage becomes decisive in cases where the IRS is investing real examination resources, the technical issues are complex, or the financial stakes are significant. That includes:

• High-net-worth examinations, particularly those conducted under the Global High Wealth enterprise approach
• Partnership and S-corporation audits, where pass-through complexity, related-party transactions, and basis questions create high-leverage positions for either side
• Cryptocurrency tax audits, where the IRS is rapidly building enforcement infrastructure and where insider perspective on how agents are being trained to approach digital assets is invaluable
• Eggshell audits and audits with potential fraud exposure, where misreading the IRS’s posture can transform civil exposure into criminal risk
• Multi-year non-filing matters and offshore disclosure cases, where the order in which issues are surfaced and resolved meaningfully affects the outcome
• Aggressive collections matters, where understanding the IRS’s collections playbook from the inside changes how levies, liens, and resolution alternatives are negotiated

In each of these scenarios, the difference between a competent defense and a strategic defense is often the difference between paying a six-figure assessment and paying nothing.

How Kugelman Law Pairs IRS Insider Experience With Federal Tax Litigation

Otto Bosch’s background is the newest layer of the firm’s audit defense capability — but it sits on top of nearly two decades of federal tax controversy experience under founder Alex Kugelman, who has litigated in U.S. Tax Court and U.S. District Court and built one of the country’s earliest dedicated cryptocurrency tax practices.

That pairing matters. A former IRS Revenue Agent on the team gives clients the insider’s view of how a case is being built. A senior tax controversy litigator gives clients the credible threat of taking the case to court if it cannot be resolved administratively. Most firms can offer one or the other. Few offer both. The result, for Kugelman Law clients, is an audit defense posture that is informed at the examination level by IRS-insider experience and backstopped at every escalation point by federal court litigation capability.

Representative outcomes from the firm’s controversy practice include a $365,000 tax debt reduced to a zero-dollar liability, a multi-year audit and non-filing matter resolved with minimal payment, and ten years of unfiled returns brought into compliance with a successful outcome. Results depend on specific facts. Past results do not guarantee future outcomes.

Frequently Asked Questions

What is a former IRS revenue agent attorney?

A former IRS revenue agent attorney is a licensed lawyer who previously worked as a Revenue Agent for the Internal Revenue Service before entering private practice. Their value lies in combining legal credentials with direct, inside-the-IRS experience conducting examinations — knowledge that informs how they defend audits, controversies, and tax court matters in private practice.

Is hiring a former IRS Revenue Agent legal and ethical?

Yes. Former IRS employees can enter private practice in tax, subject to well-defined post-employment restrictions that prohibit working on specific matters they were personally and substantially involved in while at the agency. Those rules are routinely complied with by former agents in private practice and do not limit their ability to defend the great majority of audits, controversies, and litigation matters.

How is a former IRS Revenue Agent different from a CPA in audit defense?

A CPA can represent taxpayers before the IRS, but does not have the same legal training, attorney-client privilege protection, or litigation authority as an attorney. A former IRS Revenue Agent who is also a licensed attorney combines all three: technical accounting depth, inside-the-IRS examination experience, and full legal authority including privilege and the ability to litigate in U.S. Tax Court and federal district court.

Does Kugelman Law represent clients outside of California?

Yes. Federal tax controversy work — including IRS audits, U.S. Tax Court litigation, and offshore disclosure matters — is handled for clients nationwide. The firm is based in Marin County with offices in San Francisco and Irvine, and all representation is provided remotely.

What does a paid privileged consultation include?

A paid privileged consultation is a confidential, attorney-client privileged conversation with Kugelman Law about the specifics of a tax matter. Unlike free consultations offered by many firms, the paid model allows for substantive legal advice during the consultation itself — including a candid assessment of the matter, the firm’s recommended strategy, and a clear scope of representation if the client decides to engage.

Speak With Kugelman Law

If you are facing an IRS or FTB audit, a tax controversy, or a complex federal tax matter where insider perspective on the IRS would change your defense, schedule a paid privileged consultation with Kugelman Law. Call (415) 968-1780 or visit our contact page. All consultations are fully protected by attorney-client privilege.