IRS Publication TD CIR 230 – If you are a tax professional—attorney, CPA, enrolled agent (EA), enrolled actuary, enrolled retirement plan agent (ERPA), or anyone representing clients before the IRS—IRS Publication TD CIR 230 (commonly known as Circular 230) is your essential rulebook. This Treasury Department regulation sets the mandatory standards of conduct, duties, and ethical requirements for practicing before the IRS.
Published as Treasury Department Circular No. 230 (Rev. 6-2014), it remains the current governing document as of 2026, with the official PDF available directly from the IRS. Proposed amendments were issued in 2025 but have not been finalized, so practitioners must continue following the 2014 revision.
Download the official PDF here: https://www.irs.gov/pub/irs-pdf/pcir230.pdf (44 pages, Catalog Number 16586R).
What Is IRS Circular 230 (TD CIR 230)?
Circular 230 is the set of regulations issued under 31 U.S.C. § 330 that governs practice before the Internal Revenue Service. It defines who may represent taxpayers, what ethical and professional standards they must follow, and the consequences for violations.
The Office of Professional Responsibility (OPR) within the IRS administers and enforces these rules. OPR investigates complaints, conducts disciplinary proceedings, and protects the integrity of the tax system by ensuring competent, diligent, and honest representation.
Key quote from the regulations (§10.2(a)(4)):
“Practice before the Internal Revenue Service comprehends all matters connected with a presentation to the Internal Revenue Service or any of its officers or employees relating to a taxpayer’s rights, privileges, or liabilities under laws or regulations administered by the Internal Revenue Service.”
This includes preparing and filing documents, corresponding with the IRS, giving tax advice, and appearing at conferences or hearings.
Who Must Comply with Circular 230?
Circular 230 applies to:
- Attorneys and CPAs in good standing with their licensing authorities
- Enrolled Agents (EAs), Enrolled Retirement Plan Agents (ERPAs), and Enrolled Actuaries
- Appraisers providing valuations for federal tax matters
- Unenrolled return preparers with limited practice rights (e.g., Annual Filing Season Program participants who consent to Circular 230)
- Anyone who prepares or signs tax returns in connection with IRS representation
Even firms and supervisors have responsibilities under §10.36 to implement compliance procedures.
Key Sections and Requirements in Circular 230
Subpart A – Authority to Practice
- Details who may practice (§10.3), enrollment processes for EAs/ERPAs (§10.4–10.6), continuing education requirements (e.g., 72 hours every 3 years for EAs, including ethics hours), and limited practice rights (§10.7).
Subpart B – Duties and Restrictions (The “Must-Follow” Rules)
- Diligence as to accuracy (§10.22): Exercise due diligence in preparing returns, documents, and representations.
- Knowledge of client’s omission (§10.21): Advise clients of errors or noncompliance.
- Competence (§10.35): Possess the necessary knowledge, skill, and preparation.
- Conflicts of interest (§10.29): Avoid unless informed written consent is obtained.
- Fees (§10.27): No unconscionable or contingent fees (with limited exceptions).
- Return of client records (§10.28): Promptly return records upon request.
- Written advice standards (§10.37): Base advice on reasonable factual and legal assumptions; consider all relevant facts.
- Best practices (§10.33): Recommended (not mandatory) for clear client communication, fact evaluation, and advice.
Subpart C – Sanctions Violations can lead to:
- Censure (public reprimand)
- Suspension or disbarment from practice before the IRS
- Monetary penalties (up to gross income derived from the violation)
- Disqualification for appraisers
Incompetent or disreputable conduct (§10.51) includes criminal convictions, false statements, solicitation violations, tax evasion assistance, and more.
Subpart D – Disciplinary Proceedings Outlines complaints, hearings before an Administrative Law Judge, appeals, and reinstatement processes (§10.60–10.82).
Why Circular 230 Matters for Tax Professionals?
Compliance protects your license, your clients, and the public trust in the tax system. Violations reported to OPR can result in investigations, even from IRS employees, clients, or other practitioners.
OPR also provides education through webinars, guidance, and resources to help professionals stay compliant.
Pro Tip for Compliance:
- Review Subpart B regularly.
- Maintain detailed records of client communications and due diligence.
- Implement firm-wide procedures if you supervise staff (§10.36).
- Stay tax-compliant yourself.
Proposed Changes to Circular 230 (2025)
In 2025, Treasury issued proposed amendments to align the rules with court decisions (e.g., Loving v. IRS, which limited regulation of standalone return preparers). Key proposals include updates to the definition of “practice,” removal of outdated references to registered tax return preparers, and formal inclusion of Annual Filing Season Program participants. As of February 2026, these remain proposed and not yet final—continue using the 2014 version.
Frequently Asked Questions About IRS TD CIR 230
Q: Where can I find the full text?
A: Direct IRS link – pcir230.pdf.
Q: Does Circular 230 apply to me if I only prepare returns?
A: Only if the preparation is connected with representation before the IRS. Standalone preparers without representation rights are generally not subject to full Circular 230 (per court rulings), but AFSP participants who consent are.
Q: What is the penalty for violating Circular 230?
A: Sanctions range from censure to disbarment and monetary penalties. Expedited suspension is possible for serious issues like tax crimes or license revocation.
Q: How do I report a suspected violation?
A: Contact the OPR through IRS.gov or submit information via official channels (details on the OPR page).
Final Thoughts
IRS Publication TD CIR 230 is more than bureaucracy—it’s the foundation of ethical tax practice. Whether you’re an enrolled agent renewing your enrollment or a CPA advising high-net-worth clients, understanding these regulations safeguards your career and your clients’ interests.
Bookmark the official IRS OPR page for updates: irs.gov/tax-professionals/office-of-professional-responsibility-and-circular-230.
Stay compliant, stay informed, and protect your ability to practice before the IRS.
This article is for informational purposes only and is based on official IRS sources as of February 2026. Always consult the latest PDF and seek professional legal advice for your specific situation.
Sources:
- Official IRS Publication TD CIR 230 (Rev. 6-2014)
- IRS Office of Professional Responsibility pages (last reviewed 2025)
- IRS FAQs on Circular 230 (updated 2025)
Keywords: IRS Circular 230, TD CIR 230, regulations governing practice before IRS, Circular 230 compliance, OPR sanctions, tax practitioner duties, enrolled agent requirements.