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EA Part 3 Circular 230: Practitioner Standards Every EA Candidate Must Know
Circular 230 governs practice before the IRS. Learn the duties, restrictions, and sanctions that appear consistently on EA Part 3.
June 12, 2025
What Is Circular 230?
Treasury Department Circular 230 (31 C.F.R. Part 10) is the set of regulations that governs who may practice before the IRS and what standards they must meet. It applies to attorneys, CPAs, enrolled agents, enrolled actuaries, enrolled retirement plan agents, and certain other categories of practitioners. For EA candidates, Circular 230 is not background material — it is the rulebook for roughly a quarter of Part 3 questions.
"Practice before the IRS" is defined broadly. It includes preparing and filing documents, communicating with IRS on behalf of a taxpayer, and representing a taxpayer at conferences, hearings, and meetings.
Who Must Comply
Circular 230 applies to all individuals who practice before the IRS. Unenrolled preparers have limited practice rights — they may represent clients in examinations of returns they prepared, but those rights are more restricted than those of EAs, CPAs, or attorneys. Enrolled agents hold full representation rights before any IRS office for any federal tax matter.
A key exam distinction: an individual who is merely a witness, an employee acting within their job duties, or a person preparing their own return is not "practicing before the IRS" and is not bound by Circular 230.
Core Duties Under Circular 230
Competence
A practitioner must possess the knowledge, skill, thoroughness, and preparation necessary for the matter at hand. Competence does not mean perfection — it means the practitioner has the ability and preparation to handle the engagement. If a practitioner lacks competence in a particular area, they may associate with or refer to a competent practitioner.
Due Diligence
Practitioners must exercise due diligence in preparing returns, documents, and other submissions; in determining correctness of oral and written representations to the IRS; and in determining correctness of representations to clients. Due diligence means not taking a client's word at face value when facts are suspicious or inconsistent.
Prompt Disposition of Matters
A practitioner may not unreasonably delay the prompt disposition of any matter before the IRS. This duty cuts both ways — it applies to dealings with the IRS and to responses to client inquiries.
Confidentiality
Section 7526 of the Internal Revenue Code extends limited confidentiality protection to tax advice provided by practitioners authorized to practice before the IRS. However, this protection is narrower than attorney-client privilege — it does not apply in criminal matters or in communications with state tax authorities. EA candidates should know this distinction.
Fee Rules
No Unconscionable Fees
Circular 230 prohibits charging fees that are unconscionable. While the regulation does not define a precise dollar threshold, the standard is whether the fee is grossly excessive given the nature and complexity of the services.
Contingent Fee Restrictions
Contingent fees — fees based on the results of a service — are generally prohibited for preparing original returns or amended returns. There are narrow exceptions: contingent fees are permitted for services in connection with IRS examinations or collections, and for obtaining a refund or tax credit under certain circumstances involving IRS challenges. This is a frequently tested distinction. A practitioner cannot charge a contingent fee for preparing an original Form 1040; they may charge one for representing a client in an audit.
Written Tax Advice Standards
Circular 230 requires that written tax advice be based on reasonable factual and legal assumptions, consider all relevant facts the practitioner knows, and not rely on representations that the practitioner knows to be incorrect. The advice must reflect reasonable professional judgment. Practitioners may not use marketing of tax services to mislead clients or create unrealistic expectations.
Sanctions and the Office of Professional Responsibility
The Office of Professional Responsibility (OPR) enforces Circular 230. OPR may impose the following sanctions on practitioners who violate the regulations:
- Censure: A public reprimand; the practitioner retains the right to practice.
- Suspension: The practitioner is temporarily prohibited from practicing before the IRS.
- Disbarment: The practitioner is permanently (subject to reinstatement after five years) prohibited from practicing before the IRS.
- Monetary penalty: OPR may assess a monetary penalty against both the individual practitioner and the firm.
A disbarred or suspended practitioner may not receive compensation for representing clients before the IRS during the period of sanction. Sanctions are published in the Internal Revenue Bulletin — public accountability is part of the enforcement mechanism.
OPR may also place a practitioner on expedited suspension when the practitioner has been disbarred or suspended from another profession, convicted of a felony, or found by a court to have violated tax laws.
Exam Strategy for Circular 230
Part 3 questions often test the boundary conditions: when is a contingent fee permitted versus prohibited? What is the difference between censure and suspension? Does Circular 230 apply to this person's activity? Memorize the specific thresholds, timeframes, and definitions rather than relying on general principles.
Ready to drill EA Part 3 questions? Advisor Exam Academy covers Circular 230, audit procedures, and collection topics with instant explanations.
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