When the IRS audits your return, you have the legal right to professional representation at every stage of the process — and exercising that right is one of the most consequential decisions you will make. IRS audit representation means authorizing a qualified tax professional to act on your behalf before the IRS: communicating with agents, producing documents, negotiating proposed changes, and — if necessary — escalating to IRS Appeals or federal tax disputes. For high-net-worth individuals, business owners, and anyone facing an office or field audit, the question is not whether to retain representation, but who to retain and why the distinction matters. A CPA and a tax professional are not interchangeable for every audit situation. Understanding the difference — particularly around confidentiality protections, tax exposure, and the formal tax dispute process access — can determine whether your audit resolves quietly or escalates into something far more serious. IRS audit defense Key Takeaways Any enrolled agent, CPA, or tax professional can represent you in an IRS audit — but their powers and protections differ significantly. confidentiality protections protects communications with a tax professional in civil IRS proceedings — CPA communications are generally not confidentiality protectionsd. Only tax professionals (and CPAs admitted to practice before the formal tax dispute process) can represent you in US tax dispute resolution. If your audit has any tax exposure — fraud, unreported income, offshore accounts — retain a tax professional immediately. A team approach — tax professional + CPA + enrolled agent — is the most effective structure for complex field audits. Who Can Represent You Before the IRS? Under Treasury Department Circular 230, the following professionals are authorized to represent taxpayers before the IRS in audit proceedings: Representative Type IRS Audit? IRS Appeals? federal tax disputes? tax defense? confidentiality protections? Tax Professional Yes Yes...