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Regulatory Research

Understanding and researching administrative regulations, agency guidance, and the regulatory process.

Learning Objectives

After completing this section, you will be able to:

  1. Explain the relationship between statutes and regulations in the federal system
  2. Navigate the Code of Federal Regulations and the Federal Register
  3. Research pending and proposed regulations and agency interpretive materials

Before You Read

Understanding statutory research is essential before working with regulations, because regulations derive their authority from enabling statutes.

What Are Administrative Regulations?

Administrative regulations (also called rules) are legally binding requirements created by executive branch agencies. Congress and state legislatures often pass broad statutes that establish policy goals but delegate the details of implementation to specialized agencies. These agencies then create regulations that have the force of law.

For example, Congress might pass a law requiring workplace safety standards, but the Occupational Safety and Health Administration (OSHA) creates the specific regulations defining what those standards are—how high railings must be, what protective equipment workers need, and how often inspections occur.

Why Regulations Matter

Regulations affect nearly every aspect of modern life—environmental protection, food and drug safety, securities trading, telecommunications, healthcare, transportation, and much more. In many practice areas, regulations are as important as (or more important than) statutes and case law. Never assume your research is complete without checking for applicable regulations.

Key Characteristics of Regulations

  • Binding authority — Properly promulgated regulations have the force of law and must be followed
  • Agency expertise — Regulations reflect specialized technical and policy expertise that agencies possess
  • Subject to judicial review — Courts can invalidate regulations that exceed statutory authority or violate procedural requirements
  • Dynamic — Regulations change more frequently than statutes, requiring ongoing verification

Statutes vs. Regulations: Understanding the Relationship

Understanding the hierarchy and relationship between statutes and regulations is essential for effective regulatory research.

The Hierarchy

  1. Constitution — Supreme law; all other law must conform
  2. Statutes — Laws passed by Congress or state legislatures
  3. Regulations — Rules created by agencies pursuant to statutory authority
  4. Agency guidance — Non-binding interpretations and policy statements

How Regulations Get Their Authority

Regulations derive their legal force from enabling statutes (also called organic statutes). An enabling statute grants an agency the power to create regulations in a specific area. When researching regulations, you should identify the enabling statute because:

  • The statute defines the scope of the agency's authority
  • Regulations that exceed statutory authority can be invalidated
  • The statute may contain definitions or requirements that affect how regulations are interpreted
  • Courts interpret regulations in light of the statutory scheme

Research Tip

Always research regulations together with their enabling statutes. A regulation may be technically valid but still not apply to your situation if the underlying statute limits its scope. Conversely, a statute may impose requirements that regulations cannot waive or modify.

The Rulemaking Process

Federal agencies must follow procedures established by the Administrative Procedure Act (APA) when creating regulations. The most common process is notice-and-comment rulemaking:

  1. Notice of Proposed Rulemaking (NPRM) — Agency publishes proposed rule in the Federal Register
  2. Comment Period — Public has opportunity to submit comments (typically 30-60 days)
  3. Final Rule — Agency considers comments, makes revisions, and publishes final rule in the Federal Register
  4. Effective Date — Rule takes effect (usually 30+ days after publication)
  5. Codification — Rule is incorporated into the Code of Federal Regulations

Understanding this process helps you find the full history of a regulation, including the preamble discussion that explains the agency's reasoning.

Federal Regulatory Research

Federal regulatory research centers on two key publications: the Code of Federal Regulations (C.F.R.) and the Federal Register.

Code of Federal Regulations (C.F.R.)

The C.F.R. is the codification of all federal regulations currently in force. It is organized by subject matter into 50 titles, roughly paralleling the structure of the United States Code.

C.F.R. Structure

  • Titles — 50 subject-matter areas (e.g., Title 26 = Internal Revenue, Title 40 = Environmental Protection)
  • Chapters — Usually correspond to specific agencies (e.g., Chapter I of Title 40 = EPA)
  • Parts — Regulatory programs or subject areas within an agency
  • Sections — Individual regulatory provisions (the level you typically cite)

Example citation: 40 C.F.R. § 122.1 refers to Title 40, Part 122, Section 1 (EPA regulations on the National Pollutant Discharge Elimination System).

Matching Titles

C.F.R. titles often (but not always) correspond to U.S.C. titles covering the same subject. Title 26 of the U.S.C. contains the Internal Revenue Code, and Title 26 of the C.F.R. contains IRS regulations. However, this parallel structure is not universal, so always verify you are looking at the correct title.

Federal Register

The Federal Register is the daily publication of the federal government, containing:

  • Proposed rules — Notices of proposed rulemaking
  • Final rules — Newly adopted regulations before codification in the C.F.R.
  • Notices — Agency announcements, guidance documents, meeting notices
  • Presidential documents — Executive orders, proclamations, and administrative orders

Why the Federal Register Matters

The Federal Register is essential for regulatory research because:

  1. Currency — New rules appear in the Federal Register before they are codified in the C.F.R.
  2. Preamble — Each final rule includes a preamble explaining the agency's reasoning, responding to comments, and interpreting the rule
  3. Regulatory history — You can trace a regulation's development through proposed rules, comments, and final rules
  4. Pending changes — Proposed rules show where regulations may be heading

Finding Relevant Federal Regulations

There are several strategies for finding regulations that apply to your research question:

1. Start with the Statute

If you know the enabling statute, look for a reference to implementing regulations. Annotated codes (U.S.C.A. and U.S.C.S.) include cross-references to related C.F.R. provisions.

2. Use the C.F.R. Index

The C.F.R. Index and Finding Aids volume provides subject-matter access to regulations. Available in print and on eCFR.

3. Search by Agency

If you know which agency regulates an area, go directly to that agency's chapter in the C.F.R. Agency websites also often provide guides to their regulations.

4. Full-Text Searching

Westlaw, Lexis, and eCFR all allow full-text searching of the C.F.R. Use specific terms of art when possible.

5. Secondary Sources

Treatises and practice guides in regulated areas typically cite and explain relevant regulations. These can be excellent starting points.

Updating Regulations: e-CFR vs. Official C.F.R.

One of the most important aspects of regulatory research is ensuring your regulations are current. This requires understanding the difference between the official C.F.R. and the e-CFR.

The Official C.F.R.

The official Code of Federal Regulations is published in print and as a PDF on GovInfo.gov. It is updated on a rolling basis throughout the year:

  • Titles 1-16: Updated January 1
  • Titles 17-27: Updated April 1
  • Titles 28-41: Updated July 1
  • Titles 42-50: Updated October 1

This means the official C.F.R. can be up to a year out of date for any given title.

The e-CFR (Electronic Code of Federal Regulations)

The e-CFR at ecfr.gov is an unofficial, editorial compilation that is updated daily (usually within 24-48 hours of Federal Register publication). It incorporates amendments as they are published, making it far more current than the official C.F.R.

Critical Point

Always use the e-CFR or a commercial database (Westlaw/Lexis) for current regulations. The official print or PDF C.F.R. is useful for historical research but should never be relied upon as the current version without checking for subsequent amendments.

Updating Process

To ensure a regulation is current, follow these steps:

  1. Check the e-CFR — Start with ecfr.gov for the most current text
  2. Note the currency date — The e-CFR displays when each title was last updated
  3. Search the Federal Register — For regulations in rapidly changing areas, search the Federal Register for any amendments published after the e-CFR update
  4. Use citators — Westlaw's KeyCite and Lexis's Shepard's can help identify recent changes to regulations

Commercial Databases

Westlaw and Lexis maintain their own versions of the C.F.R. that are updated frequently. These databases also provide:

  • Integration with citators
  • Links to related statutes and cases
  • Historical versions of regulations
  • Annotations and notes

Agency Guidance Documents, Manuals, and Interpretations

Beyond formal regulations, agencies issue various forms of guidance that can be crucial to understanding how regulations are applied in practice.

Types of Agency Guidance

Guidance Documents

Written statements that explain how an agency interprets or will apply regulations. Examples include policy statements, interpretive rules, and compliance guides. These are generally not binding but indicate how the agency will act.

Agency Manuals

Internal manuals used by agency staff in carrying out their duties. Examples include the IRS Internal Revenue Manual and the USCIS Policy Manual. These provide detailed procedural guidance.

Opinion Letters and Advisory Opinions

Responses to specific inquiries from regulated parties. Examples include SEC no-action letters and DOL opinion letters. These indicate how the agency views particular situations.

Preambles

The explanatory text published with regulations in the Federal Register. Preambles explain the agency's reasoning, respond to comments, and often provide important interpretive guidance.

Legal Weight of Agency Guidance

Agency guidance is generally not legally binding in the same way as regulations, but it can be influential:

  • Interpretive rules — Explain existing regulations but do not create new legal obligations
  • Policy statements — Indicate agency priorities but do not bind the agency or regulated parties
  • Deference — Courts may give weight to agency interpretations, though the degree of deference depends on various factors

Practical Significance

Even though guidance documents are not legally binding, they often determine how agencies enforce regulations in practice. A client who follows agency guidance is less likely to face enforcement action, even if that guidance is not strictly required by the regulations.

Finding Agency Guidance

  • Agency websites — Most agencies maintain libraries of guidance documents, often organized by topic
  • Regulations.gov — Contains some guidance documents, especially those published as notices in the Federal Register
  • Commercial databases — Westlaw and Lexis include selected guidance documents, particularly for heavily regulated areas like tax and securities
  • FOIA requests — Some internal guidance may require a Freedom of Information Act request

State Regulatory Research

State regulatory research follows similar principles to federal research but with important differences in organization and accessibility.

State Administrative Codes

Each state has its own administrative code compiling state agency regulations. These vary significantly in organization, currency, and accessibility. Common features include:

  • Organization — Usually organized by agency or subject matter
  • Updates — Varies widely; some are updated continuously, others annually or less frequently
  • Online access — Most states now provide free online access, though quality varies

State Registers

Many states publish state registers analogous to the Federal Register, containing proposed and final rules. The frequency of publication (daily, weekly, monthly) varies by state.

Finding State Regulations

  1. State government websites — Most states provide access to their administrative codes online
  2. Westlaw and Lexis — Include administrative codes for all 50 states
  3. State-specific databases — Some states have their own dedicated legal research platforms
  4. Agency websites — State agencies often provide access to their specific regulations

Currency Warning

State regulatory currency varies dramatically. Some state administrative codes are updated within days; others may be months or even years out of date. Always check the currency date and supplement with state register searches when regulations may have recently changed.

Regulations on Each Platform

Each major legal research platform provides access to federal and state regulations, but with different features and strengths.

Westlaw

  • C.F.R. — Full text with daily updates; includes historical versions
  • Federal Register — Full text from 1936; searchable and linked to C.F.R.
  • KeyCite — Citator coverage for regulations, showing citing references and validity
  • State regulations — All 50 states with varying update frequencies
  • Regulatory tracking — Track proposed rules and amendments to regulations you follow
  • Search: Use the "Regulations" content type or search within specific titles

Lexis+

  • C.F.R. — Full text with regular updates; historical versions available
  • Federal Register — Full text searchable; linked to related C.F.R. provisions
  • Shepard's — Citator coverage for regulations
  • State regulations — Comprehensive coverage of state administrative codes
  • Agency materials — Includes selected agency decisions and guidance
  • Search: Use the Administrative Codes & Regulations filter or browse by agency

Bloomberg Law

  • C.F.R. — Full text with regular updates
  • Federal Register — Searchable with links to related materials
  • BCite — Citator showing treatment of regulations
  • Regulatory & Legislative News — Summaries and analysis of regulatory developments
  • Practice area integration — Strong integration in areas like tax, securities, and labor
  • Search: Use the Regulations content type or practice area pages

Free Sources for Regulatory Research

Significant regulatory research can be conducted using freely available resources.

Primary Free Sources

eCFR (ecfr.gov)

The Electronic Code of Federal Regulations is the best free source for current federal regulations. Updated daily, it provides the full text of all C.F.R. titles with browsing and searching capabilities. While technically unofficial, it is maintained by the National Archives and is highly reliable.

Federal Register (federalregister.gov)

The official website of the Federal Register provides free access to proposed and final rules, notices, and presidential documents. Features include:

  • Full-text searching
  • Email alerts for topics of interest
  • Links between proposed and final rules
  • Public comment submission

GovInfo (govinfo.gov)

The Government Publishing Office's website provides official authenticated versions of the C.F.R. and Federal Register in PDF format. Useful for official citations and historical research.

Regulations.gov

The federal government's portal for the rulemaking process. Allows you to:

  • Search for proposed and final rules
  • Read public comments on proposed rules
  • Track rulemakings through the process
  • Set up alerts for topics of interest

Agency Websites

Individual agency websites often provide:

  • Regulations organized by program or topic
  • Guidance documents and manuals
  • Compliance guides written in plain language
  • FAQs explaining regulatory requirements

State Free Sources

  • State government websites — Most states provide free access to administrative codes
  • State agency websites — Agency-specific regulations and guidance
  • Cornell LII — Links to state administrative codes at law.cornell.edu

Free Source Limitations

While free sources provide excellent access to regulatory text, they typically lack the citator coverage, annotations, and links to related materials available on commercial platforms. For comprehensive research, you may need to supplement free sources with Westlaw or Lexis, particularly when verifying that regulations remain valid.

Next Steps

With an understanding of regulatory research, continue developing your skills:

Check Your Understanding

  1. What is the relationship between an enabling statute and the regulations promulgated under it?
  2. Where would you look to find a regulation that was proposed but not yet finalized?
  3. How do you verify that a regulation in the CFR is still current?