IRS Audit Representation in Oklahoma – What to Expect and How to Win

Marc Boulanger • July 11, 2025

If you’ve been selected for an IRS audit, it’s natural to feel nervous. But with the right representation, you can get through it — and even come out stronger.



At Boulanger CPA, we represent Oklahoma taxpayers in IRS audits, from initial notice to final resolution. Here’s what to expect and how we help you succeed.


What Triggers an IRS Audit?

The IRS doesn’t audit randomly. Common audit triggers include:



  • Large charitable deductions

  • High Schedule C income with low expenses

  • Rental property losses

  • Mismatched 1099s or W-2s

  • Cryptocurrency activity

  • Unfiled returns or prior year adjustments

The audit process starts with a letter — usually Notice 566, 525, or a general CP2000 — alerting you that your return is under review.


Types of IRS Audits (and What They Mean)

There are three types of audits:


1. Correspondence Audit


You’ll be asked to mail or fax specific documents. This is the most common and least invasive.


2. Office Audit


You’re invited to an IRS office to answer questions and bring documentation.


3. Field Audit


The IRS visits your home or business. These are rare and usually involve high-dollar or complex cases.


What You Can Expect as a Taxpayer in Oklahoma

If you’re in Oklahoma, the IRS audit will likely be handled by either:



  • Correspondence through the IRS Service Center, or

  • A local Revenue Agent assigned to your case

Most audits take 3–12 months to resolve depending on complexity and responsiveness.


Do You Really Need Audit Representation?

Yes — and here’s why:


  • CPAs and tax professionals know what the IRS is really asking for

  • We prevent you from over-sharing or providing documents that create new issues

  • We speak the IRS’s language and can negotiate adjustments when needed

  • We handle the stress and paperwork so you can stay focused on your business or family

What to Do If You Receive an Audit Letter

  1. Don’t panic or call the IRS on your own.

  2. Contact a CPA or tax professional who does audit defense.

  3. Gather your records — but don’t submit anything yet.

  4. Let your representative handle communication, documentation, and response.

We’ve helped dozens of Oklahoma clients navigate and win audits — including self-employed individuals, retirees, and small business owners.


Real Example: Audit Defense in Edmond, OK

Client: Self-employed photographer



  • Received audit notice regarding business travel and meals

  • We reviewed deductions, gathered records, and built a response package

  • IRS accepted most of the deductions — only a $173 adjustment

  • No penalties or further review

What Happens If You Ignore an Audit?

If you fail to respond or miss deadlines, the IRS will:



  • Disallow deductions

  • Assess additional tax (plus interest and penalties)

  • Potentially flag future returns for review

  • Send your case to collections if the new balance goes unpaid

We Defend Taxpayers Across Oklahoma

Whether you’re facing an initial IRS audit or responding to a proposed adjustment, we provide:


  • Expert CPA representation from start to finish

  • Strategic audit planning and documentation

  • Appeals, negotiation, and resolution options

📞 Call (405) 384-4900
📅 Schedule your confidential audit strategy call


FAQ

What triggers an IRS audit?

Common audit triggers include unreported income, excessive deductions, large charitable contributions, or mismatches in third-party reporting.

Can I handle an audit myself?

You can, but it's risky. A licensed CPA or tax professional understands audit procedure, documentation standards, and how to avoid making the situation worse.

Will I owe more money after an audit?

Not always. Some audits result in no change or even a refund. However, if issues are found, penalties and interest can apply unless properly negotiated.

How long does an IRS audit take?

Most audits take 3–12 months depending on complexity and whether you’re represented. Hiring a CPA can speed up resolution and reduce stress.

✍️ About the Author


Marc Boulanger, CPA, is the founder of Boulanger CPA and Consulting PC, a CPA firm based in Oklahoma City, OK.


Marc is the author of Oklahoma Taxpayers' Guide: Taking a Stand Against the IRS and has resolved hundreds of complex federal and state tax cases.


With over a decade of experience in IRS and OTC representation, Marc helps Oklahomans navigate high-stakes tax problems with clear strategy and calm expertise.


He is a Certified Tax Representation Consultant and a member of the American Society of Tax Problem Solvers (ASTPS).


📍 Office: Oklahoma City, OK | 📞 (405) 384-4900 | 🌐 www.oklahomacity.cpa

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