Printable Form 2026

IRS Publication 4639 – Disclosure & Privacy Law Reference Guide

IRS Publication 4639 – In the complex world of tax administration, protecting taxpayer privacy while ensuring effective enforcement is paramount. IRS Publication 4639, titled the “Disclosure & Privacy Law Reference Guide,” serves as a critical resource for IRS employees, legal professionals, and taxpayers alike. This comprehensive guide outlines the key statutes, procedures, and case law governing the disclosure of tax returns and return information. Whether you’re an IRS practitioner navigating confidentiality rules or a taxpayer concerned about data privacy, understanding Publication 4639 is essential for compliance and awareness.

Released in October 2012, this publication updates previous editions and addresses the balance between privacy rights and governmental transparency. It draws from foundational laws like Internal Revenue Code (IRC) Section 6103, the Freedom of Information Act (FOIA), and the Privacy Act of 1974, providing practical guidance on when and how disclosures can occur.

What Is IRS Publication 4639?

IRS Publication 4639 is a detailed reference manual designed to help interpret and apply disclosure and privacy laws within the IRS framework. It replaces the 2011 Disclosure Litigation and Reference Book and covers topics such as civil and criminal penalties for unauthorized disclosures, definitions of key terms, and specific disclosure scenarios. The guide is particularly useful for IRS staff, attorneys, and those involved in tax litigation, as it includes summaries of relevant court cases and procedural requirements.

The publication emphasizes that tax returns and return information are confidential under IRC § 6103, with disclosures only permitted under specific authorizations in Title 26 of the U.S. Code. It highlights the evolution of these laws, stemming from historical debates on public access to tax records dating back to the Civil War era, culminating in the Tax Reform Act of 1976 that strengthened privacy protections.

Key audiences include:

  • IRS employees handling tax administration and investigations.
  • Legal professionals defending or litigating disclosure-related cases.
  • Taxpayers and their representatives seeking clarity on privacy rights.

Purpose and Importance of the Disclosure & Privacy Law Reference Guide

The primary purpose of IRS Publication 4639 is to provide a balanced approach to taxpayer privacy and efficient government operations. It addresses potential abuses, such as unauthorized inspections or disclosures, which can lead to severe penalties. For instance, willful unauthorized disclosures under IRC § 7213 can result in up to 5 years imprisonment and a $5,000 fine, while unauthorized inspections under § 7213A carry penalties of up to 1 year in prison and a $1,000 fine.

This guide is crucial in today’s digital age, where data breaches and privacy concerns are rampant. It ensures that disclosures are made only on a “need-to-know” basis, with safeguards like written requests, minimal information sharing, and redaction of sensitive identifiers. Its relevance extends to bankruptcy cases, federal-state information exchanges, and nontax criminal investigations, making it a go-to resource for multifaceted tax privacy issues.

As noted in IRS Internal Revenue Manuals (IRMs), such as IRM 11.3.22, the guide offers examples for disclosures in tax administration contexts, including bankruptcy matters. It also underscores the role of the Office of the Associate Chief Counsel (Procedure & Administration) in providing legal guidance and defending related litigation.

Key Sections and Chapters in IRS Publication 4639

The guide is structured into chapters that break down complex topics into actionable insights. Below is an overview of the main sections:

Chapter 1: History and Overview of IRC § 6103

This chapter traces the historical development of tax confidentiality laws, from public postings in the 1860s to modern protections. It covers civil damages under § 7431 for unauthorized inspections or disclosures (minimum $1,000 per act) and criminal liabilities under §§ 7213, 7213A, and 18 U.S.C. § 1030. Key discussions include good faith defenses, statutes of limitations, and case law like Aloe Vera of America, Inc. v. United States.

Chapter 2: Definitions and Specific Disclosures

Here, the guide defines essential terms like “returns,” “return information,” and “disclosure.” It details disclosures to persons with material interest (§ 6103(e)), via taxpayer consent (§ 6103(c)), public records, congressional committees (§ 6103(f)), and the President (§ 6103(g)). Procedures for written consents (e.g., Form 8821) and limitations on redisclosure are emphasized.

Chapter 3: Tax Administration Disclosures (§ 6103(h))

Focused on internal IRS use and sharing with the Department of Justice (DOJ) for litigation, this section outlines “need-to-know” criteria and judicial disclosures. It includes examples for examinations, collections, and appeals, with redactions to protect informants.

Chapter 4: Investigative Disclosures and Contractors (§ 6103(k)(6) and (n))

This covers disclosures necessary for investigations, such as liens and levies, and to contractors for services like valuations. Case law like Barrett v. United States stresses “good faith” in determining necessity.

Chapter 5: Nontax Criminal Purposes (§ 6103(i))

Details court-ordered disclosures for criminal enforcement, including terrorism-related expansions post-Patriot Act. It includes guidelines for emergencies and fugitive cases.

Chapter 6: Disclosures in Bankruptcy Cases

Provides 34 scenarios for sharing information in bankruptcy proceedings, emphasizing tax nexus and limitations. References IRM 11.3.3 for attorney discussions.

Chapter 7: Bank Secrecy Act, Money Laundering, and Forfeiture

Explains interactions with the Bank Secrecy Act (BSA) and money laundering statutes, including Form 8300 disclosures.

Chapter 8: Federal/State Exchange Program (§ 6103(d) and (p)(8))

Covers information sharing with states for tax administration, requiring safeguards and reciprocal confidentiality laws.

Chapter 9: Freedom of Information Act (FOIA)

Outlines FOIA procedures, exemptions (e.g., privacy under Exemption 6), and litigation privileges. It balances FOIA with § 6103 protections.

Chapter 10: Litigation Privileges

Discusses statutory privileges in disclosure actions, coordinating with Procedure & Administration branches.

How to Access IRS Publication 4639?

You can download the PDF directly from the official IRS website at https://www.irs.gov/pub/irs-pdf/p4639.pdf. It’s listed among IRS forms and publications, with the latest revision dated October 2012. For related guidance, refer to IRS IRMs or consult a tax professional.

Updates and Current Relevance

While the 2012 edition remains the most recent, it’s referenced in ongoing IRS procedures and external analyses, such as Congressional Research Service reports on disclosures to committees. Earlier updates, like the 2011 edition, incorporated case law changes. Users should check for any superseding IRM updates or legal developments, as tax laws evolve.

In summary, IRS Publication 4639 is an indispensable tool for demystifying disclosure and privacy laws. By adhering to its guidelines, stakeholders can ensure compliance, protect sensitive information, and support fair tax administration. For personalized advice, always consult the IRS or a qualified expert.