Segal, Cohen & Landis

How to Shield Your Assets with an Audit Defense Lawyer

Samuel Landis, Esq.Approx. 13 min readSeptember 18, 2026Updated September 19, 2026
financial penalties and regulatory assessments

Understanding Government and Tax Audits: IRS, Healthcare, and Corporate Scrutiny

An audit defense lawyer can help protect your rights during an examination by reviewing Information Document Requests (IDRs), evaluating applicable privileges, and using financial evidence to challenge disputed calculations. Counsel can manage communications and examine the agency’s authority and deadlines. Hiring a lawyer does not automatically stop an audit, asset restraint, tax lien, or criminal referral.

When tax examiners scrutinize financial filings, securing experienced IRS tax audit help early ensures your financial interests remain protected before administrative questions escalate into formal enforcement actions. Today, audits conducted by the Internal Revenue Service (IRS), the Centers for Medicare & Medicaid Services (CMS), private Pharmacy Benefit Managers (PBMs), or the Public Company Accounting Oversight Board (PCAOB) are heavily automated and driven by data-matching algorithms designed to maximize financial recovery.

Comparing IRS, Medicaid/Medicare, and PBM Audits

While all audits demand strict compliance, the underlying statutory authorities, procedural rules, and financial exposures vary substantially depending on the governing entity:

Audit Category Primary Auditing Entities Governing Framework & Authorities Core Financial & Operational Risks
IRS & State Tax Audits IRS Revenue Agents, Tax Compliance Officers, State Departments of Revenue Internal Revenue Code (IRC), State Revenue & Taxation Codes Back taxes, civil fraud penalties, statutory interest, tax liens, bank levies, criminal tax referrals
Medicare & Medicaid Audits CMS, Recovery Audit Contractors (RACs), Unified Program Integrity Contractors (UPICs), Medicare Administrative Contractors (MACs) Social Security Act, False Claims Act, Civil Monetary Penalties Law (CMPL) Retroactive recoupments, pre-payment claims review, program exclusion (LEIE list), DOJ criminal referrals
Pharmacy Benefit Manager (PBM) Audits Commercial PBM Auditors, Special Investigation Units (SIUs) Commercial Provider Contracts, State Pharmacy Practice Acts, MAC Pricing Rules Direct fee clawbacks, inventory shortfall assessments, spread pricing adjustments, network termination
Public Accounting & Corporate Inquiries SEC Enforcement Division, PCAOB Inspectors, State Boards of Accountancy Sarbanes-Oxley Act (SOX), Securities Exchange Act of 1934, GAAP/GAAS standards Restatements, civil money penalties, loss of CPA license, SEC administrative bars, accountant and auditor liability claims

Government contractors, such as Recovery Audit Contractors (RACs), are often financially incentivized through contingency fee models to maximize clawbacks. Similarly, commercial PBMs frequently rely on aggressive interpretations of Maximum Allowable Cost (MAC) pricing benchmarks and disputed inventory reconciliations. Understanding these distinctions is critical when framing a targeted defense.

Common Audit Triggers and Algorithmic Red Flags

Auditors rarely select targets at random. Today’s regulatory environment relies on automated data mining to identify anomalous patterns:

  • Discriminant Information Function (DIF) Scores: The IRS scores tax returns against statistical norms. Unusually high deductions relative to gross revenue or significant unreimbursed business expenses immediately elevate audit risk.
  • Form 1099 and Information Reporting Mismatches: Discrepancies between reported gross receipts and automated 1099-K, 1099-NEC, or W-2 filings submitted by third parties trigger automated IRS notices.
  • Healthcare Coding and Prescribing Outliers: CMS and private payors flag providers whose billing for specific evaluation and management (E/M) codes, modifier usage, or high-cost pharmaceuticals deviates from regional peer averages.
  • Employee Retention Credit (ERC) and Pandemic Relief Claims: Aggressive marketing around Employee Retention Credits has prompted intense federal scrutiny into eligibility determinations and gross receipts calculations.
  • Inventory and Documentation Discrepancies: In pharmacies and medical practices, minor documentation lapses or mismatches between wholesaler purchase invoices and billed claims can be incorrectly categorized as intentional inventory shortfalls.

The True Cost of Non-Compliance: Civil, Financial, and Criminal Exposure

Failing an audit or providing uncoordinated responses can lead to compounding financial and legal consequences. When an auditor uncovers systematic discrepancies, they rarely stop at individual adjustments. Instead, they apply extrapolation formulas, impose mandatory civil penalties, and refer unresolved files to administrative disciplinary boards or criminal enforcement divisions.

To understand how individual tax examinations can expand across multiple tax years, consult our IRS audit defense complete guide.

Severe Financial and Professional Penalties

Civil penalties can quickly exceed the underlying amount in dispute. In federal and state healthcare reviews, civil assessments are particularly aggressive. For instance, in Louisiana, providers can face state civil penalties of up to $2,000 per false claim, quickly turning routine billing oversights into massive liabilities.

For licensed professionals—including CPAs, corporate officers, attorneys, and enrolled agents—an audit outcome carries severe occupational risks:

  • IRS Office of Professional Responsibility (OPR) Actions: The IRS OPR investigates tax professionals accused of incompetence, disreputable conduct, aiding and abetting tax non-compliance, or violating Treasury Circular 230 regulations. A negative finding can lead to public censure, suspension, or permanent disbarment from practicing before the IRS.
  • State Licensing Revocation: Medical boards, state boards of accountancy, and state bar associations routinely open parallel disciplinary inquiries following an adverse government audit finding.
  • Corporate Restatements and Securities Sanctions: Public reporting entities may face financial restatements, enforcement proceedings, and civil or criminal exposure during financial reporting inquiries. These matters can require securities, accounting, and tax counsel working together.

When Civil Audits Turn into Criminal Investigations

The most dangerous audit is an “eggshell audit”—a civil examination where undisclosed income, unverified deductions, or aggressive billing practices create substantial exposure to criminal prosecution.

Auditors are trained to spot badges of fraud, such as two sets of accounting books, altered invoices, false statements, or unrecorded cash receipts. When an auditor suspects willful misconduct, they pause civil proceedings without warning and coordinate with internal criminal divisions or federal prosecutors.

Civil audit to criminal investigation escalation pathways

The criminal stakes are severe:

  • State Medicaid-fraud offenses can carry fines and imprisonment. The charge, amount involved, applicable statute, and individual facts determine the potential punishment; there is no single sentencing maximum for every Medicaid-fraud case.
  • Under federal law, healthcare fraud convictions carry statutory maximums of up to 20 years in prison if the violation resulted in serious bodily injury, and life imprisonment if the conduct led to a patient’s death.
  • Major federal enforcement actions can involve vast multi-agency task forces; federal prosecutors have indicted complex healthcare fraud, wire fraud, and money laundering conspiracies totaling over $1,400,000,000.

Why Hiring an Audit Defense Lawyer Is Critical to Protecting Your Assets

When an audit commences, the government’s primary goal is clear: audit verification, adjustment, and collection. Retaining experienced legal counsel establishes an immediate protective barrier between you and government investigators.

If you are facing an active state or federal tax examination, securing tax audit representation near me allows our legal team to take over all direct communications, preventing inadvertent admissions and keeping the audit strictly confined to its lawful boundaries.

How an Audit Defense Lawyer Controls Audit Scope and Authority

Auditors are administrative investigators, but their authority is strictly circumscribed by statute, administrative rules, and constitutional protections. Without legal representation, taxpayers and business owners often make the mistake of over-producing records in an effort to appear cooperative, inadvertently handing the auditor evidence that expands the inquiry into prior tax years or related corporate entities.

attorney managing government information requests

An audit defense lawyer manages this dynamic through several key interventions:

  1. Restricting Information Document Requests (IDRs): We evaluate every government summons or IDR to ensure requests are relevant, non-burdensome, and within the statutory period of limitations.
  2. Implementing Immediate Legal Holds: We guide your staff in preserving relevant electronic and paper records while preventing the unauthorized creation of informal, unvetted explanatory notes that auditors could misinterpret.
  3. Controlling Physical and Digital Site Access: Government contractors—such as Zone Program Integrity Contractors (ZPICs) or IRS Revenue Officers—sometimes attempt unannounced site visits. Legal counsel establishes clear ground rules governing interviews, workplace access, and document copying.
  4. Asserting Evidentiary Privileges: Confidential communications made for legal advice may qualify for attorney-client privilege. The protection is subject to exceptions and waiver; pre-existing business records do not become privileged merely because they are given to a lawyer. The limited federal tax-practitioner privilege under 26 U.S. Code § 7525 does not apply in criminal tax matters.

The Strategic Value of Former Prosecutors and Regulatory Insiders

Effective audit defense demands an intimate understanding of how government investigators build cases from the inside out. Attorneys with regulatory backgrounds—including former federal prosecutors and government agency counsel—understand institutional enforcement thresholds.

This background provides critical advantages:

  • Anticipating Prosecutorial Theories: Insider experience allows counsel to recognize when an auditor’s questions shift from factual inquiries to establishing willful intent.
  • Pre-Indictment Negotiations: In complex white-collar, tax, or healthcare allegations, experienced trial attorneys can present comprehensive factual presentations to U.S. Attorney’s Offices or state Attorneys General, demonstrating administrative compliance and encouraging prosecutors to decline criminal charges.
  • Negotiating Supported Resolutions: Counsel can present evidence and legal arguments supporting a reduction or resolution of a disputed claim. Outcomes depend on the facts and applicable law; another taxpayer’s settlement or charging decision does not predict the result in your matter.

Building a Strong Defense: Experts, Evidence, and Appeals

An audit cannot be won through passive compliance. A successful outcome requires a proactive, evidence-based legal posture that challenges flawed auditor assumptions, reconstructs ambiguous financial records, and establishes affirmative legal defenses under the law.

For a detailed review of procedural timelines and administrative defense frameworks, consult our IRS audit representation complete guide.

Mobilizing Forensic Accountants, Coding Experts, and Specialists

Modern audit defense is multidisciplinary. When substantial assets or professional licenses are at stake, our legal team routinely collaborates with specialized subject-matter experts under direct legal direction:

  • Forensic Accountants: Reconstruct bank deposits, evaluate historical general ledgers, perform detailed fund-tracing analyses, and counter IRS indirect methods of income reconstruction (such as bank deposit analyses or net worth methods).
  • Certified Professional Coders (CPCs): In medical and pharmacy audits, independent billing specialists re-examine clinical documentation to confirm medical necessity and demonstrate that claims conformed to published Local Coverage Determinations (LCDs) and National Coverage Determinations (NCDs).
  • Statistical Experts: Auditors routinely review a small sample of claims or transactions and mathematically extrapolate those errors across years of business revenue. Statistical experts analyze sample sizes, confidence intervals, and stratified sampling methods to invalidate mathematically flawed extrapolations.

Establishing that your business operated under “substantial authority” or acted in “good-faith reliance” on professional advice provides an affirmative defense against severe civil penalties, including the 20% accuracy-related penalty and the 75% civil tax fraud penalty under the Internal Revenue Code.

Challenging Auditor Methodologies and Filing Unfavorable Determination Appeals

Auditors make mistakes. They misinterpret complex regulations, overlook documentation, and apply improper statistical models. If an examiner issues an adverse audit report or demand for recoupment, you maintain substantive administrative appeal rights.

Administrative audit appeal and dispute resolution timeline

Key strategies for challenging an adverse finding include:

  • Challenging Extrapolation Methodologies: When contractors or tax examiners inflate an assessment using statistical extrapolation, we challenge the underlying sampling design. Demonstrating that the auditor’s sample was not genuinely representative can eliminate millions of dollars in extrapolated assessments.
  • Filing Formal Administrative Appeals: In tax controversies, filing a formal Protest Letter with the IRS Independent Office of Appeals allows our attorneys to negotiate settlements based on the “hazards of litigation” without stepping into a courtroom.
  • Challenging Contractual Clawbacks: In PBM audits, our attorneys enforce state-specific audit protection statutes, challenge MAC benchmark pricing calculations, and contest arbitrary clawbacks before commercial arbitration panels.

Working with an experienced IRS audit defense lawyer ensures that all procedural timelines are preserved, preventing the agency from converting a disputed assessment into an unappealable final judgment.

Immediate Action Plan: What to Do When You Receive an Audit Notice

The first 72 hours following receipt of an audit notice set the tone for the entire examination. Taking deliberate, legally sound steps prevents common mistakes that compromise asset protection strategies.

If you operate in California or face state-specific franchise tax board or employment development department reviews, consult an experienced California audit defense lawyer to address unique state statutory requirements.

When to Engage an Audit Defense Lawyer: Immediate vs. Post-Determination Intervention

Many taxpayers and business owners hesitate to contact legal counsel, believing that hiring an attorney might signal guilt or that they can handle preliminary inquiries themselves and bring in a lawyer only if things go poorly.

This approach carries significant risks. In an audit, the administrative record is constructed from day one. Inadvertent statements made during initial auditor interviews cannot easily be retracted, and documents produced without context become permanent evidence.

legal consultation during an active audit

Engaging counsel immediately upon receipt of an audit notice allows our legal team to:

  1. Analyze the Scope of the Examination Letter: Determine whether the review is a routine correspondence check, a comprehensive field audit, or a targeted program integrity inquiry.
  2. Enforce Statutory Response Windows: Prevent default assessments by securing necessary extensions and formalizing all document submissions.
  3. Review Lawful Asset Protections: Evaluate applicable exemptions, collection procedures, and available challenges to proposed restraints or liens. Do not hide assets, destroy records, or transfer property to obstruct collection or an investigation.

For immediate assistance in managing active examinations, explore our dedicated IRS audit defense help resources.

Frequently Asked Questions About Audit Defense

Can an audit defense attorney prevent a civil audit from turning criminal?

An audit defense attorney can help evaluate criminal exposure and protect procedural rights, but cannot guarantee that a civil audit will remain civil. In sensitive “eggshell audit” situations, counsel reviews interview requests, considers Fifth Amendment protections where applicable, and presents accurate factual and legal responses. The investigating agencies retain authority to make a criminal referral.

What is the difference between representation by a CPA and an audit defense lawyer?

While CPAs are skilled at accounting and tax preparation, their client communications do not enjoy confidentiality in criminal or grand jury proceedings. Under federal law (26 U.S. Code § 7525), the statutory tax practitioner privilege applies solely to non-criminal civil matters before the IRS and is void in criminal investigations.

Attorney-client privilege and work-product protection have specific requirements, exceptions, and limits. An accountant retained to assist counsel with legal advice may qualify for protection under the Kovel doctrine in appropriate circumstances. A Kovel agreement alone does not make all accounting work or work papers privileged.

How do defense lawyers challenge statistical extrapolation in government audits?

Auditing bodies frequently examine a small sample of transactions—such as 50 claims out of 10,000—and extrapolate the calculated error rate across all revenue generated during the audit period. Defense attorneys challenge this methodology by working with statisticians to scrutinize:

  • The randomness and sample size of the audit selection
  • Stratification errors (e.g., treating high-dollar, complex claims as representative of low-dollar routine claims)
  • The statistical confidence intervals applied by the auditor
  • Calculation errors in the base error rate

A successful challenge may require the auditing entity to revise its sample, methodology, or assessment. The available remedy depends on the governing rules and evidence; a sampling challenge does not necessarily eliminate extrapolation altogether.

Conclusion

A government or commercial audit represents a direct threat to your financial stability, professional standing, and personal assets. Whether you are navigating an aggressive IRS tax examination, a Medicaid program integrity audit, a PBM recoupment demand, or a corporate accounting investigation, proactive legal defense is your strongest safeguard.

At Segal, Cohen & Landis (SCL), we bring more than 33 years of experience and a track record of successfully guiding over 25,000 clients through complex federal and state tax controversies. Our attorneys know how auditing agencies operate, how to protect privileged records, and how to negotiate from a position of strength to preserve your assets and protect your future.

If you have received an examination notice or are concerned about potential audit exposure, contact our team today for dedicated IRS audit representation. We will take immediate control of the audit process and defend what you have worked so hard to build.

Have questions about this topic? Talk to an IRS attorney today.

Segal, Cohen & Landis, P.C. — Beverly Hills. Serving clients nationwide.

Samuel Landis

Samuel Landis, Esq.

LL.M. (Tax) · Selected to Super Lawyers®

Sam Landis is a Beverly Hills IRS tax attorney specializing in IRS collection defense, audit representation, and international tax compliance for foreign nationals and US expats.

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