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S331: HALT Fentanyl Act
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S331
HALT Fentanyl Act

4
Roll Calls
317
Yea (latest vote)
104
Nay (latest vote)
Both Chambers
2025-03-06 – 2025-06-12

About S331

HALT Fentanyl Act

Policy Area: Crime and Law Enforcement

Sponsor: Sen. Cassidy, Bill [R-LA] (R-LA)

Latest Action (2025-07-16): Became Public Law No: 119-26.

Summary

Halt All Lethal Trafficking of Fentanyl Act or the HALT Fentanyl ActThis act permanently places fentanyl-related substances as a class into schedule I of the Controlled Substances Act. A schedule I controlled substance is a drug, substance, or chemical that has a high potential for abuse; has no currently accepted medical value; and is subject to regulatory controls and administrative, civil, and criminal penalties under the Controlled Substances Act.Under the act, offenses involving fentanyl-related substances are triggered by the same quantity thresholds and subject to the same penalties as offenses involving fentanyl analogues (e.g., offenses involving 100 grams or more trigger a 10-year mandatory minimum prison term).Additionally, the act establishes a new, alternative registration process for certain schedule I research.The act also makes several other changes to registration requirements for conducting research with controlled substances, includingpermitting a single registration for related research sites in certain circumstances,waiving the requirement for a new inspection in certain situations, andallowing a registered researcher to perform certain manufacturing activities with small quantities of a substance without obtaining a manufacturing registration.Finally, the act expresses the sense that Congress agrees with the interpretation of the Controlled Substances Act in United States v. McCray, a 2018 case decided by the U.S. District Court for the Western District

Subjects: Administrative law and regulatory procedures, Department of Justice, Drug trafficking and controlled substances, Licensing and registrations, Research administration and funding

Who Voted How on S331

Filter by Yea, Nay, or Absent

Vote Breakdown — S331

How members voted on S331. 1083 total positions across all roll calls for this bill.

Member Date Question Vote Result
Robert B. Aderholt (R-Alabama) 2025-06-12 Yea-and-Nay Yea Passed
Jake Auchincloss (D-Massachusetts) 2025-06-12 Yea-and-Nay Yea Passed
Mark E. Amodei (R-Nevada) 2025-06-12 Yea-and-Nay Yea Passed
Alma S. Adams (D-North Carolina) 2025-06-12 Yea-and-Nay Yea Passed
Pete Aguilar (D-California) 2025-06-12 Yea-and-Nay Nay Passed
Rick W. Allen (R-Georgia) 2025-06-12 Yea-and-Nay Yea Passed
Jodey C. Arrington (R-Texas) 2025-06-12 Yea-and-Nay Yea Passed
Mark Alford (R-Missouri) 2025-06-12 Yea-and-Nay Yea Passed
Gabe Amo (D-Rhode Island) 2025-06-12 Yea-and-Nay Yea Passed
Yassamin Ansari (D-Arizona) 2025-06-12 Yea-and-Nay Nay Passed
Sanford D. Bishop (D-Georgia) 2025-06-12 Yea-and-Nay Yea Passed
Cliff Bentz (R-Oregon) 2025-06-12 Yea-and-Nay Yea Passed
Stephanie I. Bice (R-Oklahoma) 2025-06-12 Yea-and-Nay Yea Passed
Lauren Boebert (R-Colorado) 2025-06-12 Yea-and-Nay Yea Passed
Gus M. Bilirakis (R-Florida) 2025-06-12 Yea-and-Nay Yea Passed
Vern Buchanan (R-Florida) 2025-06-12 Yea-and-Nay Yea Passed
Suzanne Bonamici (D-Oregon) 2025-06-12 Yea-and-Nay Nay Passed
Joyce Beatty (D-Ohio) 2025-06-12 Yea-and-Nay Not Voting Passed
Andy Barr (R-Kentucky) 2025-06-12 Yea-and-Nay Yea Passed
Julia Brownley (D-California) 2025-06-12 Yea-and-Nay Nay Passed
Ami Bera (D-California) 2025-06-12 Yea-and-Nay Nay Passed
Brian Babin (R-Texas) 2025-06-12 Yea-and-Nay Yea Passed
Donald S. Beyer (D-Virginia) 2025-06-12 Yea-and-Nay Nay Passed
Mike Bost (R-Illinois) 2025-06-12 Yea-and-Nay Yea Passed
Brendan F. Boyle (D-Pennsylvania) 2025-06-12 Yea-and-Nay Yea Passed
Don Bacon (R-Nebraska) 2025-06-12 Yea-and-Nay Yea Passed
Nanette Diaz Barragán (D-California) 2025-06-12 Yea-and-Nay Nay Passed
Jack Bergman (R-Michigan) 2025-06-12 Yea-and-Nay Yea Passed
Andy Biggs (R-Arizona) 2025-06-12 Yea-and-Nay Yea Passed
Troy Balderson (R-Ohio) 2025-06-12 Yea-and-Nay Yea Passed
James R. Baird (R-Indiana) 2025-06-12 Yea-and-Nay Yea Passed
Tim Burchett (R-Tennessee) 2025-06-12 Yea-and-Nay Yea Passed
Shontel M. Brown (D-Ohio) 2025-06-12 Yea-and-Nay Nay Passed
Aaron Bean (R-Florida) 2025-06-12 Yea-and-Nay Yea Passed
Nikki Budzinski (D-Illinois) 2025-06-12 Yea-and-Nay Nay Passed
Eric Burlison (R-Missouri) 2025-06-12 Yea-and-Nay Yea Passed
Josh Brecheen (R-Oklahoma) 2025-06-12 Yea-and-Nay Yea Passed
Becca Balint (D-Vermont) 2025-06-12 Yea-and-Nay Nay Passed
Tom Barrett (R-Michigan) 2025-06-12 Yea-and-Nay Yea Passed
Michael Baumgartner (R-Washington) 2025-06-12 Yea-and-Nay Yea Passed
Nicholas J. Begich (R-Alaska) 2025-06-12 Yea-and-Nay Yea Passed
Wesley Bell (D-Missouri) 2025-06-12 Yea-and-Nay Nay Passed
Sheri Biggs (R-South Carolina) 2025-06-12 Yea-and-Nay Yea Passed
Janelle S. Bynum (D-Oregon) 2025-06-12 Yea-and-Nay Yea Passed
Robert P. Bresnahan (R-Pennsylvania) 2025-06-12 Yea-and-Nay Yea Passed
Ken Calvert (R-California) 2025-06-12 Yea-and-Nay Yea Passed
James E. Clyburn (D-South Carolina) 2025-06-12 Yea-and-Nay Nay Passed
Kat Cammack (R-Florida) 2025-06-12 Yea-and-Nay Yea Passed
John R. Carter (R-Texas) 2025-06-12 Yea-and-Nay Yea Passed
Tom Cole (R-Oklahoma) 2025-06-12 Yea-and-Nay Yea Passed

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Frequently Asked

What is S331?

S331 is the HALT Fentanyl Act, introduced in the Senate of the 119th U.S. Congress by Sen. Cassidy, Bill [R-LA] (R-LA). Halt All Lethal Trafficking of Fentanyl Act or the HALT Fentanyl ActThis act permanently places fentanyl-related substances as a class into schedule I of the Controlled Substances Act. A schedule I controlled substance is a drug, substance, or chemical that has a high potential for abuse; has no currently accepted medical value; and is subject to regulatory controls and administrative, civil, and criminal penalties under the Controlled Substances Act.Under the act, offenses involving fentanyl-related substances are triggered by the same quantity thresholds and subject to the same penalties as offenses involving fentanyl analogues (e.g., offenses involving 100 grams or more trigger a 10-year mandatory minimum prison term).Additionally, the act establishes a new, alternative registration process for certain schedule I research.The act also makes several other changes to registration requirements for conducting research with controlled substances, includingpermitting a single registration for related research sites in certain circumstances,waiving the requirement for a new inspection in certain situations, andallowing a registered researcher to perform certain manufacturing activities with small quantities of a substance without obtaining a manufacturing registration.Finally, the act expresses the sense that Congress agrees with the interpretation of the Controlled Substances Act in United States v.

Who sponsored S331?

S331 was sponsored by Sen. Cassidy, Bill [R-LA] (R-LA). Cosponsors and roll-call positions are listed on this page.

What is the current status of S331?

As of 2025-07-16, S331 Became Public Law No: 119-26..

How did Congress vote on S331?

S331 has had 4 roll-call votes on record. The most recent: 2025-06-12 — Yea-and-Nay (Passed).

What policy area does S331 cover?

S331 is categorized under "Crime and Law Enforcement." Browse other bills in this area at /topic-crime-and-law-enforcement/.

Where can I see all member positions on S331?

Each member’s vote is shown on this page, with party affiliation, state, and the official vote question. Click any member to see their full voting record.