H.R. 27 (119th)Bill Overview

HALT Fentanyl Act

Crime and Law Enforcement|Administrative law and regulatory proceduresCrime and Law Enforcement
Cosponsors
Support
Republican
Introduced
Jan 3, 2025
Discussions
Bill Text
Current stageCommittee

Received in the Senate and Read twice and referred to the Committee on the Judiciary.

Introduced
Committee
Floor
President
Law
Congressional Activities
01 · The brief
Plain-English summaryWhat this bill actually does

The HALT Fentanyl Act creates a broad, class‑based Schedule I listing for “fentanyl‑related substances,” amends penalties and import/export rules to reference that class, and requires the Attorney General to issue implementing rules within six months. It also creates expedited registration and notification procedures to facilitate federally funded or FDA‑regulated research on Schedule I substances, allows limited research‑related manufacture and single institutional registrations, adds transparency requirements for special procedures, and makes technical corrections to prior law.

Why people may split

Progressives emphasize research and civil‑liberty risks; conservatives emphasize enforcement benefits.

Watch point

Relative to its intended legislative type, this bill is a well-specified statutory package that creates and integrates a class-wide scheduling regime for fentanyl-related substances and accompanying procedural changes for research and enforcement.

The HALT Fentanyl Act creates a broad, class‑based Schedule I listing for “fentanyl‑related substances,” amends penalties and import/export rules to reference that class, and requires the Attorney General to issue implementing rules within six months.

It also creates expedited registration and notification procedures to facilitate federally funded or FDA‑regulated research on Schedule I substances, allows limited research‑related manufacture and single institutional registrations, adds transparency requirements for special procedures, and makes technical corrections to prior law.

The Act applies on enactment and directs an OIG study on fentanyl research.

Passage40/100

Strong enforcement appeal but high legal and scientific controversy plus implementation complexity reduce overall odds absent broad bipartisan consensus or compromise.

CredibilityPartially aligned

Relative to its intended legislative type, this bill is a well-specified statutory package that creates and integrates a class-wide scheduling regime for fentanyl-related substances and accompanying procedural changes for research and enforcement. It supplies detailed operational mechanisms, responsible actors, and deadlines, and it amends specific statutory provisions directly.

Contention50/100

Progressives emphasize research and civil‑liberty risks; conservatives emphasize enforcement benefits.

02 · What it does

Who stands to gain, and who may push back.

Likely benefits vs burdens50% / 50%
Federal agencies · Permitting processLikely burdened

These are examples from the analysis, not a ranked list of the most-affected groups.

Likely helped
  • Federal agenciesClass-wide scheduling simplifies federal enforcement against many fentanyl analogs without individual scheduling action…
  • Federal agenciesNotice-based research registration can shorten administrative delays for federally sponsored or FDA-investigational stu…
  • Permitting processPermitting shared institutional registrations reduces duplicative registration filings and compliance costs for researc…
Likely burdened
  • Potential burdenBroad, structure-based scheduling may create legal uncertainty about whether specific compounds are criminally controll…
  • Potential burdenClassifying many compounds as Schedule I could materially increase regulatory burdens for legitimate basic research.
  • Potential burdenResearchers, suppliers, and institutions may face greater criminal or civil exposure for handling borderline substances.
03 · Why people split

Why the argument around this bill splits.

Progressives emphasize research and civil‑liberty risks; conservatives emphasize enforcement benefits.
Progressive60%

Generally supportive of strong measures to reduce overdose deaths, but wary of class‑wide Schedule I control that could hinder medical research, access to pain treatment, and disproportionately affect communities of color.

The bill's research facilitation provisions reduce some concerns, but ambiguity in the chemical definition and immediate scheduling raise civil‑liberty and public‑health process worries.

Split reaction
Centrist75%

Sees the bill as a pragmatic federal response to a lethal public‑health and law‑enforcement problem, noting helpful research‑friendly provisions.

Concerned about administrative overreach, legal clarity, and rapid interim rules; would back the bill if implementation includes clear regulations and safeguards against unintended consequences.

Leans supportive
Conservative85%

Likely favorable as a strong enforcement‑oriented measure targeting illicit fentanyl manufacture and trafficking; views class scheduling as an effective way to target novel synthetic analogues.

May want assurance the bill results in vigorous enforcement and international interdiction, and could accept research facilitation if it does not impede law enforcement.

Leans supportive
04 · Can it pass?

The path through Congress.

Introduced

Reached or meaningfully advanced

Committee

Reached or meaningfully advanced

Floor

Still ahead

President

Still ahead

Law

Still ahead

Passage likelihood40/100

Strong enforcement appeal but high legal and scientific controversy plus implementation complexity reduce overall odds absent broad bipartisan consensus or compromise.

Scope and complexity
86%
Scopesweeping
52%
Complexitymedium
Why this could stall
  • Potential constitutional/vagueness legal challenges
  • DEA/DOJ implementation choices and enforcement resource needs
05 · Recent votes

Recent votes on the bill.

HOUSE · Feb 6, 2025
Final passage✓ Passed

The House passed this bill. It now goes to the other chamber, and eventually to the President for signature.

What is a final passage?

The final vote on whether the bill becomes law (pending the other chamber and the President).

Yes 75% No 25%
Showing a quick cross-section of legislators, with followed members first when available.
HOUSE · Feb 6, 2025
Approve amendment✗ FailedParty-line

This amendment was rejected and will not be added to the bill.

What is a approve amendment?

An amendment modifies the text of a bill.

Yes 44% No 56%
Against party line
Showing a quick cross-section of legislators, with followed members first when available.
06 · Go deeper

Go deeper than the headline read.

Included on this page

Progressives emphasize research and civil‑liberty risks; conservatives emphasize enforcement benefits.

Strong enforcement appeal but high legal and scientific controversy plus implementation complexity reduce overall odds absent broad biparti…

Unlocked analysis

Relative to its intended legislative type, this bill is a well-specified statutory package that creates and integrates a class-wide scheduling regime for fentanyl-related substances and accompanying procedural changes f…

Go beyond the headline summary with full stakeholder mapping, legislative design analysis, passage barriers, and lens-by-lens tradeoff breakdowns.

Perspective breakdownsPassage barriersLegislative design reviewStakeholder impact map
Open full analysis