What This Bill Does
This bill would change how federal courts review agency actions under the Administrative Procedure Act by excluding evidence the court finds is not based on reliable scientific principles and methods. In practical terms, it would affect lawsuits challenging federal regulations, permits, and enforcement decisions that rely on scientific or technical evidence. The measure is aimed at making judicial review more rigorous when agencies or litigants present contested science. It would matter most in cases involving environmental rules, health and safety standards, and other technically complex federal actions.
- Amends title 5, United States Code, governing judicial review under the Administrative Procedure Act.
- Bars courts from considering evidence they find is not based on reliable scientific principles and methods.
- Applies to federal court review of agency actions, including regulations and enforcement decisions.
- Would likely affect cases involving technical or scientific records, such as environmental and health rules.
Who This Bill Affects
If you are involved in a federal lawsuit challenging an agency rule, permit, or enforcement action, this bill could change what evidence a court is willing to consider. That may make it harder to rely on questionable studies or expert claims, but it could also make litigation more expensive and more focused on fights over scientific methodology. For most people, the effect would be indirect, showing up through changes in how quickly and how strongly federal rules can be upheld or struck down.
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- Regulated businesses and permit applicants They may argue that agency rules and lawsuits should be judged on dependable science, not shaky studies or speculative expert claims. A stricter reliability screen could reduce arbitrary outcomes and make judicial review more predictable.
- Judges and litigants seeking clearer evidentiary standards They may see the bill as a way to bring more discipline to APA cases that depend on complex technical records. Clearer rules about scientific reliability could help courts separate credible evidence from advocacy dressed up as science.
- Property owners and industry groups facing federal regulation They may support a higher bar for evidence because agency actions can impose major compliance costs. If courts exclude unreliable science, challengers may have a better chance of overturning rules they view as unsupported.
- Federal agencies and career regulators They may argue that courts should defer to expert agencies on technical matters rather than independently policing scientific reliability. A new evidentiary filter could complicate defense of rules and invite more procedural challenges.
- Public health and environmental advocates They may contend that the bill could be used to attack legitimate scientific evidence and weaken protections built on evolving research. In their view, it could make it harder to defend safeguards for air quality, water quality, and workplace safety.
- Administrative law practitioners They may worry that the phrase “reliable scientific principles and methods” will generate threshold fights in every technical case. That could increase litigation costs and create inconsistent outcomes across courts.
Key Implications
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““judicial review under the Administrative Procedure Act does not include any evidence””
This would narrow what a federal court may rely on when reviewing agency action. In practice, parties would have a stronger incentive to challenge the admissibility of scientific material before the court reaches the merits.
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““not the product of reliable scientific principles and methods””
This language creates a reliability test for scientific evidence in APA cases. The real-world consequence is more gatekeeping over expert reports, studies, and technical analyses used in regulatory litigation.
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““under title 5, United States Code””
Title 5 contains the core federal administrative law framework. A change here would affect a wide range of agency disputes, not just one program or one department.
Latest Status
June 11, 2026
Referred to the House Committee on the Judiciary.
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Ask AI about this billData sourced from api.congress.gov.