How to Cite the Code of Federal Regulations (CFR) in Legal Writing

The Code of Federal Regulations (CFR) is the codification of the general and permanent rules published by the executive departments and agencies of the U.S. federal government. Citing the CFR accurately is essential for legal writing, regulatory compliance, and scholarly work. This article explains the standard formats for CFR citations, how to adapt them for different contexts, and common pitfalls to avoid in order to ensure precise and traceable references.

Overview Of The CFR And Its Citation Purpose

The CFR compiles regulatory rules by title and section, creating a predictable reference system for courts, agencies, and scholars. Each title corresponds to a broad regulatory area, and each part, section, and paragraph narrows the rule. Proper CFR citations enable readers to locate the exact regulatory text quickly, support legal arguments, and facilitate regulatory compliance reviews. Citations typically point to the title, the code of federal regulations, and the specific part or section where the rule appears.

Primary CFR Citation Format

The standard CFR citation generally includes the title number, the abbreviation “C.F.R.”, the year of the edition referenced, and the part or section. The most common structure is:

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  • Title Regulations abbreviation, Part or Section (e.g., 42 C.F.R. part 416).
  • For pinpoint citations: 42 C.F.R. § 416. AR, where the symbol “§” identifies the specific section, and the final element can be a subsection or paragraph.

Example formats include:

  • 42 C.F.R. § 416.1
  • 29 C.F.R. § 778.114
  • 40 C.F.R. Part 60

Common Citation Variants And Their Uses

Different legal contexts call for subtle variations. Consider the following:

  • Federal Register references accompany CFR citations when tracing original rulemaking or effective dates, using the citation format: 42 Fed. Reg. xxx (date).
  • Parallel citations appear in some references, listing the CFR edition year alongside the updated year, to reflect amendments.
  • Subtitle and amendment notes may be added when a regulation has significant amendments, using phrases like “as amended” or “as of [date].”

In-Text Citations And Bibliographic Entries

In-text CFR citations should be precise enough for readers to locate the regulatory text. Use the § symbol for pinpoint references and provide the full title and CFR abbreviation when introducing the rule. In a bibliography or references section, include the title number, CFR, year, and the exact section. For example:

In-text: according to 15 C.F.R. § 730.5, the registration requirement applies…

Bibliography: Code of Federal Regulations, Title 15, § 730.5, 2017 edition.

Examples By Title And Section

Here are representative formats for common CFR citations:

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  • Standard pinpoint: 21 C.F.R. § 101.12(a)
  • Section with subsection: 42 C.F.R. § 403.100(a)(1)
  • Part citation: 40 C.F.R. Part 60
  • Title and paragraph: 12 C.F.R. § 1002.7(a)

When the exact text is located in a specific paragraph, include the paragraph symbol:

Example: 40 C.F.R. § 60.17(a)

Electronic Sources And Updates

Many CFR citations are sourced from online regulatory portals and agency websites. When citing electronically accessed CFR material, indicate the URL and the access date if required by the context, while preserving the standard citation form for the regulatory text itself. For active research, note that electronic CFR versions may differ slightly across hosts, so prefer official agencies or the Government Publishing Office (GPO) portals for authoritative references.

Special Considerations: Amendments, Supplements, And Parallel Citations

Regulations are frequently amended. When eligibility or compliance hinges on a specific version, indicate the edition year or the effective date. Parallel citations may be used in some legal documents to reflect both the CFR and the Federal Register version. If amendments are material to the discussion, a parenthetical note such as “as amended” helps readers understand the version referenced.

Pitfalls To Avoid In CFR Citations

Avoid common errors that undermine traceability. Do not mix up the title and part numbers, misplace the section symbol, or omit the correct year of the edition. Ensure the citation points to the exact text being discussed, especially when sections have similar numbers across titles. Double-check for superseded sections when a rule has been repealed or substantially revised.

Practical Checklists For Accurate CFR Citations

  • Confirm the exact title number and section or part cited.
  • Use the correct symbol for pinpoint references (§ or subpart).
  • Note the edition year if the writing requires a specific version.
  • Include parallel citations only when appropriate and supported by the jurisdiction.
  • Cross-check against official sources for amendments and current text.

Putting It All Together: A Quick Reference Template

When drafting legal writing that cites regulatory text, use a concise template:

Text: The regulation requires compliance with 21 C.F.R. § 101.12(a). Footnote: 21 C.F.R. § 101.12 (as of [date]).

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