PolicyBrief
H.R. 9277
119th CongressJun 11th 2026
To amend title 5, United States Code, to provide that judicial review under the Administrative Procedure Act does not include any evidence that the court determines is not the product of reliable scientific principles and methods.
IN COMMITTEE

This bill amends the Administrative Procedure Act to allow courts to set aside agency actions if the supporting evidence is not the product of reliable scientific principles and methods.

Harriet Hageman
R

Harriet Hageman

Representative

WY

LEGISLATION

New Judicial Standard Requires Courts to Vet Scientific Evidence in Agency Lawsuits

This bill amends the Administrative Procedure Act (5 U.S.C. § 706(2)) to give federal judges a new, powerful tool to strike down agency regulations. Currently, if a group sues an agency like the EPA or the FDA, a judge usually defers to the agency’s technical expertise unless the decision is clearly 'arbitrary' or 'capricious.' This change adds a specific requirement: a court can now toss out any agency action if the evidence used to support it isn't based on 'reliable scientific principles and methods' or if those methods weren't applied reliably. This essentially moves the judge from the role of a legal referee to a scientific gatekeeper.

The New Bench Test for Science

Under this provision, if an agency sets a new safety standard for drinking water or approves a medical device, a lawyer can challenge the very science behind that decision in court. The bill grants judges the authority to decide what counts as 'reliable' science (SEC. 1). For a software developer or a construction foreman, this might sound like a technicality, but it means that a single judge—who likely isn't a scientist—could potentially override years of research by agency experts. While this could theoretically catch 'junk science' before it becomes law, the bill doesn't actually define what 'reliable' means. This high level of vagueness creates a massive opening for expensive legal battles where the definition of 'science' depends entirely on which judge is hearing the case.

Impact on Public Safety and Regulations

For everyday people, this shift could slow down the protections we often take for granted. Imagine a local small business owner waiting for clear guidance on a new health regulation, only to have that regulation tied up in court for years because a judge is debating a specific methodology. Because the bill allows for the invalidation of agency actions based on these scientific challenges, we could see a rollback of environmental and safety rules. Marginalized communities, who often rely on federal agencies to enforce clean air and water standards in their neighborhoods, might find those protections increasingly fragile if the underlying scientific data is constantly being litigated and discarded.

Who Wins and Who Bears the Cost?

The primary beneficiaries here are large industries—like energy, manufacturing, or big tech—that have the resources to hire expert witnesses to challenge agency data in court. On the flip side, the public may face increased risks if health and safety standards are delayed or struck down. There is a real concern that this creates a 'loophole' where established scientific consensus can be treated as just another opinion. By shifting oversight from specialized agencies to the general court system, the bill makes it much harder for the government to defend its regulations, potentially leading to a more deregulated environment where the 'scientific' bar is moved depending on who has the best lawyers.