In this guide

  1. What “representation” means
  2. The five categories of unlimited practice
  3. Limited representation rights
  4. Power of attorney (Form 2848)
  5. The audit lifecycle
  6. Choosing the right representative
  7. What representation costs
  8. When to escalate to an attorney

What “representation” means

Representation before the IRS, as defined in Treasury Department Circular 230, includes corresponding with the IRS, communicating with IRS personnel, advocating on a taxpayer’s behalf in audits and collection cases, attending conferences with the IRS, and signing documents on the taxpayer’s behalf. To “practice” before the IRS in this sense, a person must hold one of the IRS-recognized credentials and must be authorized by the taxpayer through Form 2848.

The five categories of unlimited practice

Five categories of practitioners hold unlimited rights: attorneys (admitted to the bar of any state), Certified Public Accountants (licensed by any state Board of Accountancy), Enrolled Agents (licensed by the IRS Office of Enrollment), Enrolled Retirement Plan Agents (a specialized credential for retirement-plan practice), and Enrolled Actuaries (a specialized credential for actuarial practice).

Unlimited rights means the practitioner may represent any taxpayer, in any IRS matter, in any IRS office, including matters involving returns the practitioner did not personally prepare. This is the broadest possible representation authority in IRS practice.

Recommended: a deeper background read on tax-professional credentialing →

Limited representation rights

AFSP filers hold limited rights. They may represent a taxpayer before the IRS only on returns they personally prepared and signed, only at the examination level (in a correspondence audit or office audit), and only before the examiner who is reviewing the return. They may not represent the taxpayer in collection matters, in appeals before the IRS Office of Appeals, or in US Tax Court.

Unenrolled preparers (those with a PTIN but no IRS-recognized credential) hold no representation rights at all. They may prepare returns but cannot represent the taxpayer in any IRS matter beyond the basic act of preparing and signing.

Power of attorney (Form 2848)

Representation requires a written authorization from the taxpayer. Form 2848 (Power of Attorney and Declaration of Representative) is the standard mechanism. The form names the taxpayer, the representative, the tax matters covered (specific years and form numbers), and the acts the representative is authorized to perform.

Form 2848 is signed by both the taxpayer and the representative and submitted to the IRS Centralized Authorization File (CAF) system. Once on file, the representative receives copies of all IRS correspondence sent to the taxpayer for the matters listed.

The audit lifecycle

An IRS audit typically begins with a letter (a CP2000 notice for a correspondence audit, or a Letter 2205 for a field audit). The taxpayer has roughly 30 days to respond, either agreeing with the proposed change or contesting it. With a representative on file, all correspondence flows through the representative and the taxpayer is generally not contacted directly.

If the audit is not resolved at the examination level, the taxpayer may request consideration by the IRS Office of Appeals. Appeals is a separate, independent function within the IRS staffed by appeals officers who attempt to resolve disputes without litigation. Roughly 80 percent of cases that reach appeals are settled there.

If appeals is unsuccessful, the next step is the US Tax Court (which hears cases without payment of the disputed tax) or the federal District Court or Court of Federal Claims (which require payment of the tax and a refund claim). At this stage, the taxpayer typically engages a tax attorney; EAs and CPAs may also represent in Tax Court if they have passed the Tax Court non-attorney examination.

Choosing the right representative

For straightforward correspondence audits, the preparer who prepared the return is often the right representative if they hold the necessary credential. For larger field audits or collection cases, an EA, CPA, or attorney with specific representation experience is preferable. For matters that may proceed to Tax Court or federal court, engage an attorney from the outset.

What representation costs

Representation fees vary widely. Correspondence audits with a clear path to resolution typically run $500–$1,500. Field audits and collection cases can run $2,500–$10,000 or more depending on complexity. Tax Court litigation begins around $10,000 and can run substantially higher for complex cases.

For taxpayers who cannot afford paid representation, the federal Low Income Taxpayer Clinic (LITC) network provides free or reduced-fee representation in audits, appeals, and Tax Court matters for taxpayers under specified income thresholds.

When to escalate to an attorney

Escalate to a tax attorney when the matter involves potential criminal exposure (an IRS Criminal Investigation referral, for example), when the dispute will proceed to federal court, when the matter involves a complex transaction that requires a formal legal opinion, or when the matter triggers attorney-client privilege concerns that an EA or CPA engagement cannot satisfy.

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