What should I do if I get an IRS audit letter?

Asked by: Emory Beier  |  Last update: July 6, 2026
Score: 4.7/5 (40 votes)

If you receive an IRS audit letter, do not panic or ignore it. Read the notice carefully to understand which tax year and items are under review, and respond by the deadline to avoid penalties. Most audits are done by mail, requiring you to send copies—not originals—of supporting documents.

How to respond to an IRS audit letter?

Write to explain why you disagree and include any documents and information you wish the IRS to consider, along with the bottom tear-off portion of the notice. Mail the information to the IRS address shown in the lower left part of the notice. Allow at least 30 days for a response.

What to do if the IRS audits you?

How to address an IRS audit

  1. Understand the scope of the tax audit. ...
  2. Prepare your responses to IRS questions. ...
  3. Respond to IRS requests for information/documents on time, and advocate your tax return positions. ...
  4. If you disagree with the results, appeal to the appropriate venue.

What triggers an IRS audit letter?

Unreported income

The IRS receives copies of your W-2s and 1099s, and their systems automatically compare this data to the amounts you report on your tax return. A discrepancy, such as a 1099 that isn't reported on your return, could trigger further review.

What are your rights if you receive an audit notice from the IRS?

These rights include: A right to professional and courteous treatment by IRS employees. A right to privacy and confidentiality about tax matters. A right to know why the IRS is asking for information, how the IRS will use it and what will happen if the requested information is not provided.

Former IRS Agent Discusses IRS Audit Process & What to Do If You Get Audit Letter

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Should I worry about an IRS audit?

Many people worry about IRS audits. But the chances of being audited are actually very low for most individuals. Recent IRS data shows the IRS examined 0.40% of individual returns filed and 0.66% of corporation returns filed. Most of the IRS's focus is on large businesses and high-income earners.

What should you not say during an audit?

It's good to be specific, but there's a danger in words such as “everything,” “nothing,” “never,” or “always.” “You always” and “you never” can be fighting words that can distract readers into looking for exceptions to the rule rather than examining the real issue.

What are red flags for an IRS audit?

Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit. The IRS mostly audits tax returns of those earning more than $200,000 and corporations with more than $10 million in assets.

What are the 5 stages of audit?

What happens during an audit? Internal audit conducts assurance audits through a five-phase process which includes selection, planning, conducting fieldwork, reporting results, and following up on corrective action plans.

What is the $600 rule in the IRS?

The IRS $600 rule refers to a change in reporting requirements for third-party payment apps (like Venmo, PayPal) for taxable income from goods and services, where platforms must send a Form 1099-K if you receive over $600 in a year, intended to capture gig economy/side hustle income, though delays and phased implementation have adjusted the timeline, with current rules for 2024 using a higher threshold ($5,000) before fully phasing to $600 for future years, but remember all taxable income, regardless of form, must always be reported.
 

Can I refuse an IRS audit?

Here's what happens if you ignore an office audit:

The IRS will change your return, send a 90-day letter, and eventually start collecting on your tax bill. You'll also waive your appeal rights within the IRS. (You can't ignore IRS collection, either.

What are the 7 steps in the audit process?

The 7 steps in the audit process generally cover Planning, Risk Assessment, Internal Control Testing, Fieldwork/Evidence Collection, Reporting, and Follow-Up, focusing on a systematic review from initial engagement to ensuring corrective actions are taken for operational improvement. This framework ensures comprehensive evaluation, from understanding the client's business to delivering actionable insights and ensuring accountability for identified issues. 

What is the IRS one time forgiveness?

One-time forgiveness, officially known as First-Time Penalty Abatement (FTA), is an IRS program that allows qualified taxpayers to have certain penalties removed from their tax accounts.

What happens if you are audited and found guilty?

If the IRS proves willful misconduct, you may face criminal charges, fines, and— in severe cases—prison. Most taxpayers, however, receive civil penalties only. Refunds are paused until the audit finishes.

What's the best way to respond to an audit or discrepancy?

If there is a difference between the auditor's info and your records, ignoring it or not addressing it can cause confusion. Clearly explain the discrepancy and provide a reason or supporting doc to clarify the situation.

How long does an IRS audit usually take?

Office audits usually move quickly

The IRS usually starts these audits within a year after you file the return, and wraps them up within three to six months. But expect a delay if you don't provide complete information or if the auditor finds issues and wants to expand the audit into other areas or years.

How to successfully pass an audit?

Audit tips and tricks key takeaways:

  1. Be positive, courteous and cooperative with the auditor.
  2. Let the staff know well in advance, especially those most affected.
  3. Use the audit as a learning and growing opportunity.
  4. If you're uncertain about something, say so. ...
  5. Make sure your internal audits are being done regularly.

What happens after an audit report?

After you receive your company's audit report, you can assess the auditors' findings and determine if you agree or disagree with their assessments. Then, you can gather important documentation and respond to the audit findings.

What are common audit findings?

Five Common Audit Findings and How to Address Them: Insights from Page Kirk

  • Insufficient Internal Controls. One of the most prevalent audit findings is inadequate or ineffective internal controls. ...
  • Inaccurate Financial Statements. ...
  • Lack of Documentation. ...
  • Inadequate Inventory Controls. ...
  • Non-compliance with Regulatory Standards.

How serious is an IRS audit?

On a scale of 1 to 10 (10 being the worst), being audited by the IRS could be a 10. Audits can be bad and can result in a significant tax bill. But remember – you shouldn't panic. There are different kinds of audits, some minor and some extensive, and they all follow a set of defined rules.

What looks suspicious to the IRS?

If the deductions, losses, or credits on your return are disproportionately large compared with your income, the IRS may want to take a second look at your return. Taking a big loss from the sale of rental property or other investments can also spike the IRS's curiosity.

What happens if I get audited and don't have receipts?

So What Happens if the IRS Audits Your Tax Return and You Are Missing Receipts? The IRS auditor is looking for evidence that your claimed business expenses are legitimate deductions. The auditor may ask your CPA to recreate a detailed history of your expenses using bank records and cancelled check.

What do auditors want to see?

Evaluates the overall presentation, structure and content of the financial statements, including the disclosures, and whether the financial statements represent the underlying transactions and events in a manner that achieves fair presentation (i.e gives a true and fair view).

Does the IRS catch every mistake?

The IRS does not check every tax return. It does not check the majority of them, but the IRS implements methods that track certain factors that would result in a further examination or audit by them.

Do and don'ts during audit?

Don't Withhold Information

Withholding information, even unintentionally, can be interpreted as an attempt to deceive. If an auditor asks for something you're unsure about, seek clarification instead of guessing. Always provide what's requested within the audit's scope.