

The notice image is illustrative, not an official IRS form. Follow the instructions and deadline in your actual notice.
What Is An IRS Audit And Why Does Representation Matter?
IRS audit defense representation is when a qualified professional—such as a tax attorney, CPA, or enrolled agent—acts on your behalf during an IRS examination of your tax return. Here’s what you need to know:
- Who Can Represent You: Eligible attorneys, Certified Public Accountants (CPAs) and Enrolled Agents can represent taxpayers before the IRS; verify active credentials and authority to practice.
- What They Do: Review issues, organize documents and manage authorized communications and meetings within the agreed engagement. A formal summons may still require your participation.
- Why It Matters: Professional assistance can help explain procedures and protect response rights; it does not guarantee a favorable result.
- The Stakes: An examination may result in no change, a refund or additional tax and applicable penalties. The outcome depends on the evidence and law, not a national audit statistic.
An IRS audit can feel overwhelming. The moment you open that audit notice, your stress levels spike. You’re facing questions about your income, deductions, and financial records—and the IRS has teams of trained examiners on their side.
You don’t have to face this alone.
An audit may progress from a mailed notice to document review, examination and, if adjustments are disputed, administrative or judicial review. Keep each stage’s deadline separate. This guide does not assign a current audit probability to a taxpayer based on income or business status.
A qualified representative can explain IRS procedures, evaluate proposed adjustments and organize a response. You still need to provide accurate information and records, review important decisions and meet obligations that remain yours.
Use this guide to understand the process and ask informed questions about professional qualifications, fees and the scope of representation. Verify the particular notice and deadlines before choosing a response.
IRS Audit Process Overview
- Notification: The IRS initiates an audit by mail, not by telephone.
- Document submission: Gather the requested records and respond by the stated deadline.
- Examination: The examiner reviews the evidence and may request clarification.
- Findings: Review any proposed adjustments and the reasons for them.
- Response and review: You may agree, pursue available administrative review, or petition the Tax Court when authorized by a qualifying notice. Different requirements and deadlines apply.
- Resolution: Address any final liability, payment arrangements and remaining filing obligations.
Understanding The IRS Audit Process From Start To Finish
Receiving an IRS audit notice can feel like a punch to the gut. Your heart races, your palms sweat, and suddenly you’re questioning every deduction you’ve ever claimed. But here’s the thing: understanding what actually happens during an audit—from the moment you’re selected to the final resolution—can transform anxiety into confidence.
Let’s walk through this together.
Selection methods: Computer screening, random sampling and related examinations can lead to a return review. Information mismatches may also prompt IRS correspondence. Selection is not a finding of wrongdoing.
How Taxpayers Are Selected for an Audit
IRS selection methods include computer screening, random sampling and examinations of related taxpayers or transactions. Selection alone does not establish wrongdoing.
Computer screening can identify returns for closer review. The Discriminant Inventory Function (DIF) is a scoring system described by the IRS. A deduction that differs from a statistical norm is not necessarily incorrect; eligibility and substantiation matter.
Information matching compares a return with third-party information, including Forms W-2 and 1099. A discrepancy can lead to a notice requesting explanation or correction. An automated underreporter notice is not itself the same as a formal examination.
Related examinations may lead the IRS to review returns involving transactions with an audited business partner or investor. A connection does not establish that your return is wrong.
The IRS may examine specific issues identified through its compliance work. Retain supporting records for income, deductions and credits. A complex filing does not by itself prove noncompliance or establish a particular audit probability.
For a deeper dive into whether your situation puts you at higher risk, check out our article on Are You at Risk of an IRS Audit and How Far Back Can the IRS Go?
The Audit Timeline and Statute of Limitations
One of the most common questions we hear is: “How far back can they go?”
The general federal deadline to assess additional tax is three years after a return is filed, with an early-filed return generally treated as filed on its due date. It limits assessment, not merely the start of an audit. Exceptions, suspensions and valid extensions may change the deadline.
A six-year period may apply to omitted gross income exceeding 25% of the gross income stated in the return, or omitted gross income attributable to specified foreign financial assets exceeding $5,000. Fraudulent returns filed with intent to evade tax and failures to file can leave assessment open without the ordinary limit. Other exceptions require case-specific review.
The IRS may request written consent to extend the assessment period. You can decline or discuss limits. More time may help develop evidence or pursue administrative review, while also giving the IRS longer to assess; consider both effects before signing.
Understanding these timelines is crucial for effective IRS audit defense representation. Knowing what years are at risk helps us develop the right strategy from day one.
Your Rights as a Taxpayer
Here’s something many people don’t realize: you have rights during an audit. Real, enforceable rights that the IRS must respect.
The Taxpayer Bill of Rights guarantees ten fundamental protections. You have the right to be informed about what the IRS is doing and why. You have the right to quality service and the right to pay no more than the correct amount of tax. Perhaps most importantly, you have the right to challenge the IRS’s position and be heard, and the right to appeal their decisions to an independent forum.
You have the right to retain representation and may also act for yourself. An eligible professional can handle authorized matters, but a formal summons may still require you to attend. The authorization is not a blanket exemption from personal obligations.
Other protections include the right to finality, including knowing applicable time limits; privacy; confidentiality; and a fair and just tax system. Statutory exceptions can affect particular deadlines.
We take these rights seriously. They’re not just words on paper—they’re protections we actively enforce for our clients. You can read the full details in the IRS’s own publication, Your Rights as a Taxpayer.
Audit Outcomes
Every audit eventually ends in one of three ways, and understanding these outcomes helps you know what to expect.
No change means the examined items were substantiated and no adjustments are proposed. It is not a guaranteed consequence of hiring a representative; an examination can also identify an overpayment.
Agreed means the auditor proposes changes, and you accept them. You’ll sign an examination report acknowledging the adjustments. If you owe additional tax, the IRS will discuss payment options with you. Sometimes agreeing makes sense—if the proposed changes are reasonable and fighting them would cost more than accepting them.
Disagreed means you dispute proposed changes. You may request a manager conference and, where available, review by the IRS Independent Office of Appeals. Follow the notice’s instructions, submit supporting facts and legal grounds, and protect the response deadline.
A statutory notice of deficiency generally allows 90 days after mailing to petition the U.S. Tax Court, or 150 days if addressed to a person outside the United States, subject to applicable timing rules. Discussions with the IRS do not extend that deadline. Refund litigation in other federal courts has separate payment, claim and filing requirements.
When you disagree with audit findings, having a clear strategy is essential. Our article on What to Do When You Disagree with an IRS Audit walks you through the process in detail.
The Different Types of IRS Audits
Not all audits are created equal. The IRS conducts three main types, and the one you face will significantly affect your experience.
A correspondence audit is conducted by mail and asks for documentation about specified items, such as charitable contributions or medical expenses. Respond to the particular request and deadline; a representative may help prepare the submission. Complexity depends on the issues, not just the format.
An office audit involves a meeting at an IRS office to review identified issues and records. An authorized representative may attend for you, although a formal summons can require your own attendance.
A field audit involves an interview at a home, business or representative’s office and may examine extensive financial records. Scope and duration vary. Consider professional help suited to the issues without assuming this format proves fraud or universally requires an attorney.
For the IRS’s current explanation of selection, notices and examination procedures, see IRS audits.
How IRS Audit Representation Differs for Individuals vs. Businesses
While the fundamentals of defending against an audit remain consistent, the approach varies significantly depending on whether you’re an individual taxpayer or a business.
Individual audits may examine income reporting and deductions, including home office expenses, charitable contributions or medical expenses. An examiner may also consider financial information relevant to reported income. The response should reconcile discrepancies and substantiate claimed amounts; representation does not guarantee asset protection.
Business audits may involve detailed records for payroll tax, depreciation, inventory, expenses and worker classification. Complexity and amounts at issue differ from case to case.
Unsupported positions can result in additional tax, interest and applicable penalties. Evidence of intentional misconduct can raise separate criminal concerns. Related owners, entities or tax years may also be examined, but expansion is not automatic.
Coordinate accounting records and legal analysis across the business issues under review, and identify who is responsible for each response. Related resource: Business Tax Attorneys in Los Angeles.
The Core Of Professional IRS Audit Defense Representation
Professional IRS audit defense representation means engaging an eligible representative for specified examination matters. The appropriate scope depends on your needs and resources; self-representation remains an option.

Who Can Represent You During an IRS Audit?
Attorneys, CPAs and enrolled agents generally have broad IRS representation rights when eligible to practice. Other people may have limited rights in specified circumstances. Check the individual’s credentials and authority.
- Tax Attorneys: Licensed attorneys can address legal issues and eligible attorneys may practice before the IRS. Court appearances require the relevant court admission. Attorney-client privilege may protect qualifying confidential legal advice, subject to exceptions and waiver; ordinary return preparation, underlying facts and pre-existing records are not automatically privileged.
- Certified Public Accountants (CPAs): CPAs are licensed accounting professionals with expertise in financial reporting and tax preparation. They are well-suited for audits involving financial records and accounting principles.
- Enrolled Agents (EAs): Active enrolled agents not suspended or disbarred may represent taxpayers before the IRS in audits, appeals and collections. IRS practice rights do not themselves confer admission to a court.
An eligible representative generally uses a signed Form 2848, Power of Attorney, to act for specified tax matters and periods. Other qualifying written authorizations and limited exceptions exist. An information-access authorization alone does not grant representation rights.
What Are the Key Services Provided by a Tax Audit Representative?
Discuss which of the following services Segal, Cohen & Landis (SCL) or another qualified representative would provide under the engagement:
- Strategy Development: We don’t just react to the IRS; we proactively develop a robust defense strategy custom to your specific audit issues, identifying potential weaknesses and building a strong case.
- Document Preparation and Organization: Gathering and organizing all requested financial documents can be a daunting task. Your representative will guide you through this process, ensuring all necessary records are submitted accurately and efficiently.
- Direct IRS Communication: A representative can handle communications for authorized matters and periods, while keeping you informed. The IRS may still require your participation in legally applicable circumstances.
- Meeting Attendance: An authorized representative can attend examination meetings and present your position. A formal summons or facts requiring your testimony may require your attendance as well.
- Rights and deadlines: A representative can identify response dates, explain requested records and evaluate objections or review rights. Keep your own copies of notices and submissions.
- Appeals Representation: If you disagree with the audit findings, your representative can guide you through the IRS Appeals process, presenting your case to an independent appeals officer.
Key Benefits of Hiring a Professional for IRS Audit Defense Representation
Consider the issues, your ability to organize a response and the proposed cost when comparing self-representation with professional help:
| Factor | Self-Representation | Professional Representation |
|---|---|---|
| Expertise | Depends on your tax knowledge and the complexity of the disputed issues. | Provides the selected professional’s relevant knowledge; verify qualifications and experience. |
| Stress & Anxiety | You manage the communications and decisions, which may be stressful. | May reduce procedural uncertainty by sharing the work; outcomes and stress levels vary. |
| Time Commitment | You organize records, research issues and respond to requests yourself. | The representative performs agreed work, but you still supply accurate records and make key decisions. |
| Outcome | Depends on the facts, evidence and law; self-representation does not necessarily produce a worse result. | Assistance can improve preparation but does not guarantee a reduced assessment, no-change result or settlement. |
| Protection | You retain taxpayer rights and must understand how to exercise them. | A representative can advise on rights. Confidential legal advice may be privileged, subject to exceptions; not every communication or document is protected. |
A qualified professional can assess disputed adjustments and any grounds for IRS penalty abatement. Relief depends on applicable rules and evidence. Discuss the limits of confidentiality and privilege before sharing sensitive information; representation does not guarantee a particular result.
Have questions about this topic? Talk to an IRS attorney today.
Segal, Cohen & Landis, P.C. — Beverly Hills. Serving clients nationwide.

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.
