Research paper / 06

Rulemaking Evidence and Reasoned Decision Making: Turning Administrative Procedure into Governance Practice

Stephen McCarthy · September 12, 2026

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Abstract

The Administrative Procedure Act makes reasoned explanation a central feature of federal rulemaking. For regulated organizations, that principle creates both a participation opportunity and a governance discipline. A well-supported comment can clarify facts and alternatives before a rule is finalized; a well-maintained implementation record can explain how the organization responded afterward. This paper examines section 553, arbitrary-and-capricious review, and the relationship between State Farm, Loper Bright, and Seven County. It proposes an evidence-centered method for tracking rules, preparing comments, and translating final requirements into operational controls. The method distinguishes legal holdings from practical recommendations and treats participation as a substantive analytical exercise.

I. The rulemaking lifecycle

A rulemaking process can be understood as a sequence of questions: what authority permits action, what problem the agency identifies, what alternatives it considers, what information informs the choice, and how the final decision is explained. An organization's engagement should follow that sequence rather than begin only when an implementation deadline approaches.

Section 553 generally provides for notice of proposed rulemaking, an opportunity to submit written material, and a statement of basis and purpose for the adopted rule. The provision contains exceptions and special treatment for certain categories; separate statutes may add procedures. Its general publication and effective-date requirements also contain qualifications. The first task is to identify which procedural framework applies to the particular rule. 5 U.S.C. § 553.

A regulatory tracker should distinguish the proposal date, comment deadline, publication date, effective date, and compliance date. These dates perform different functions. A rule can be published before it becomes effective, and implementation obligations may follow a separate schedule. Combining all of them under “deadline” creates avoidable ambiguity for operational teams.

II. Authority and explanation

Section 706 permits review on several grounds, including excess of statutory authority, constitutional conflict, failure to observe required procedure, and arbitrary or capricious action. The legal boundary and the agency's reasoning are different parts of the inquiry. A thorough explanation cannot supply power Congress did not confer, while a valid delegation does not eliminate the need for a defensible exercise of that power. 5 U.S.C. § 706.

This distinction should shape the structure of a comment. Present statutory interpretation separately from empirical analysis. Identify whether a concern is that the proposed action lies outside authority, that the evidence does not support it, or that a better alternative has been overlooked. A reader should be able to understand each argument without reconstructing it from unrelated assertions.

The same structure helps internal reviewers. Legal, operational, technology, and finance teams may have different concerns about a proposal. A common template can preserve those differences while showing how they relate. It also makes it easier to identify missing evidence before a public submission is approved.

III. State Farm and reasoned explanation

Motor Vehicle Manufacturers Association v. State Farm Mutual Automobile Insurance Co., 463 U.S. 29 (1983), applied arbitrary-and-capricious review to the rescission of a vehicle-safety requirement. The Court required reasoned consideration of relevant issues and alternatives and rejected the agency's inadequate explanation. The decision illustrates that changing or withdrawing a policy can require a reasoned account as well as adopting one. Official United States Reports source.

The organizational lesson is not that every preferred alternative must be adopted. It is that significant claims should be supported with enough specificity to permit evaluation. A comment explaining a workable alternative should identify its mechanism, expected effect, limitations, and implementation requirements. An unexplained assertion that another approach is “less burdensome” leaves the central questions unanswered.

Evidence should be proportionate to the claim. A statement about a technical limitation may require a system description and test results. A statement about customer behavior may require a defined population and observation period. A statement about cost should distinguish estimated expenditures from documented historical costs. The objective is to make the claim assessable.

IV. The relationship to Loper Bright

Loper Bright Enterprises v. Raimondo, 603 U.S. 369 (2024), requires courts to exercise independent judgment on statutory meaning. That legal inquiry does not eliminate every form of respect for agency expertise or every discretionary choice Congress authorizes. A rulemaking file should therefore distinguish interpretive propositions from factual findings and policy judgments. Official Supreme Court opinion.

For example, a proposed financial disclosure may raise a textual question about covered products and an empirical question about how consumers understand the proposed language. The first requires interpretation of the statute. The second may require research design, sampling, and careful explanation of observed effects. Combining the two can weaken both arguments.

The separation also supports later review. A court or agency can evaluate the legal proposition without discarding useful technical evidence. An organization can update its legal analysis while retaining a valid empirical finding. Good research architecture allows those components to be revised independently.

V. Seven County and the boundary of judicial review

In Seven County Infrastructure Coalition v. Eagle County, No. 23-975 (May 29, 2025), the Supreme Court held that the court of appeals had failed to afford the agency the substantial deference appropriate to the NEPA review at issue and had required analysis of separate upstream and downstream projects beyond the relevant scope. The decision is a NEPA case; it should not be converted into a universal rule excusing analysis of every indirect effect. Official opinion.

Its broader methodological value is the distinction between a court deciding legal boundaries and a court substituting its preferred technical analysis for an agency's authorized judgment. The correct balance depends on the statute, the issue, and the record. A financial-regulation memorandum invoking the case by analogy should identify that limitation expressly.

For governance teams, the lesson is to keep evidence focused on the decision the agency actually has authority to make. A comment can discuss broader market context, but it should connect that context to a relevant statutory consideration. An expansive narrative that never identifies the decision's legal scope may be less useful than a shorter, targeted analysis.

VI. Designing a useful comment record

Start with a claim-evidence table. Each material claim should have an owner, supporting source, method, and limitation. Separate observations from projections. If a projection depends on an assumption, state the assumption and show how a different value changes the result. This enables reviewers to evaluate the argument without mistaking a model for a measured fact.

Describe the baseline. A claim that a proposal increases cost or improves outcomes requires a comparison point. Explain whether the baseline is current practice, a prior rule, or a hypothetical alternative. If existing practices vary across business units, identify that variation rather than using an average that conceals the implementation challenge.

Specify alternatives concretely. An alternative may involve a different threshold, phased implementation, a revised definition, or a different method of reporting. Explain which objective it serves and what tradeoffs remain. A credible alternative acknowledges its own limits rather than implying that it achieves every objective without cost.

Preserve the final submission and its supporting materials. Record the version approved, the submission date, the docket identifier, and the person responsible for retaining confirmation. Keep confidential information and public material appropriately separated under the applicable submission rules. The research file should make it possible to reproduce the final argument without relying on scattered drafts.

VII. Translating a final rule into controls

Once a rule is finalized, compare the adopted text with the proposal. Identify changes in coverage, definitions, exceptions, timing, and reporting. Do not assume that a project designed from the proposal remains suitable without review. A small definitional change can materially alter the population of products or customers affected.

Create an implementation map linking each obligation to a process, system, owner, test, and completion date. Legal interpretation should be recorded where it affects design choices. Operational teams should know whether a requirement is explicit, inferred from context, or selected as a conservative implementation approach.

Testing should verify the actual behavior that matters. For a reporting rule, confirm the population, calculation, timing, and delivery. For a disclosure rule, verify the content, trigger, channel, and retained evidence. A project can complete its documentation while failing to produce the required result in a real transaction.

After implementation, review exceptions and unintended effects. The organization may discover a data dependency or customer interaction that the initial design did not capture. Feed that information into the control inventory and any future participation. This turns rulemaking experience into institutional knowledge rather than a one-time compliance project.

VIII. Governing policy change over time

Rules may be amended, rescinded, stayed, or interpreted through later decisions. The organization should maintain a history of these events with their legal effect and effective dates. A press release, proposed amendment, and operative order should not be assigned the same status.

Define what authorizes an internal control change. The trigger might be a final rule, a controlling judicial disposition, or a verified change in the organization's own activity. Assign a reviewer to confirm the trigger and document the resulting decision. Preserve the prior configuration when a change may be temporary or subject to further review.

Reasoned decision making is ultimately a discipline of explanation. Agencies must connect their decisions to authority and the relevant record; organizations benefit from connecting their own responses to the same materials. A clear chain from legal source to evidence, decision, and operational control makes regulatory change easier to assess and more reliable to implement.

Frequently asked questions

Are statutory authority and arbitrary-and-capricious review the same question?

No. One concerns the legal power to act; the other examines the reasoned exercise of authority under the applicable standard.

What makes a rulemaking comment useful?

It connects a specific legal or operational issue to evidence, a clear method, relevant alternatives, and identifiable implementation consequences.

What should change when a final rule differs from its proposal?

Reassess coverage, definitions, exceptions, timing, and controls against the adopted text before approving implementation.


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