S. 331 · 119th Congress · 2025–2026
HALT Fentanyl Act
S. 331 in the 119th Congress (2025–2026) became law — introduced on Jan 30, 2025, sponsored by Bill Cassidy with 31 co-sponsors. Congress held 4 roll call votes on it.
During the 119th Congress (2025–2026), Donald Trump was president, and Republicans held majorities in both the House and Senate.
- Status
- Became law
- Introduced
- Jan 30, 2025
- Co-sponsors
- 31
- Policy area
- Crime and Law Enforcement
- Public law
- Public Law 119-26
- Groups that lobbied
- 5
What it does
Halt All Lethal Trafficking of Fentanyl Act or the HALT Fentanyl Act This 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…
Summary by the nonpartisan Congressional Research Service.
Sponsor
Bill Cassidy (R-LA). Co-sponsors: 6 Democrats, 24 Republicans, 1 Independent.
Where it stands
- IntroducedJan 30, 2025
- Passed the SenateMar 14, 2025
- Passed the HouseJun 12, 2025
- Sent to the PresidentJul 8, 2025
- Became lawJul 16, 2025
Latest action: Became Public Law No: 119-26. (Jul 16, 2025)
How Congress voted
- On Passage
House · Jun 12, 2025 · Passed321–104 - On Passage of the Bill
Senate · Mar 14, 2025 · Bill Passed84–16 - On the Cloture Motion
Senate · Mar 13, 2025 · Cloture Motion Agreed to84–15 - On Cloture on the Motion to Proceed
Senate · Mar 6, 2025 · Cloture on the Motion to Proceed Agreed to82–12
Every roll call vote on this bill
- A bill to amend the Controlled Substances Act with respect to the scheduling of fentanyl-related substances…Senate · Mar 6, 2025
- A bill to amend the Controlled Substances Act with respect to the scheduling of fentanyl-related substances…Senate · Mar 13, 2025
- A bill to amend the Controlled Substances Act with respect to the scheduling of fentanyl-related substances…Senate · Mar 14, 2025
- HALT Fentanyl ActHouse · Jun 12, 2025
More bills from Bill Cassidy in the 119th Congress
- S. 5258: PREFERRED Screening Act
- S. 5420: A bill to amend the Internal Revenue Code of 1986 to increase the qualified elementary and…
- S. 5421: A bill to amend the Internal Revenue Code of 1986 to eliminate the State opt-in requirement for…
- S. 5503: Taxpayer Funded Compensation Accountability Act
- S. 5505: Safe and Fair Elections Act of 2026
- S. 5513: Domestic Manufacturing Revitalization Act of 2026
Other Crime and Law Enforcement bills in the 119th Congress
- H.R. 4405: Epstein Files Transparency Act
- H.R. 4323: Trafficking Survivors Relief Act of 2025
- H.R. 3497: Medal of Sacrifice Act
- S. 307: Prison Staff Safety Enhancement Act
- S. 6: Born-Alive Abortion Survivors Protection Act
- H.R. 21: Born-Alive Abortion Survivors Protection Act
- H.R. 27: HALT Fentanyl Act
- H.R. 35: Agent Raul Gonzalez Officer Safety Act
- H.R. 38: Constitutional Concealed Carry Reciprocity Act
- H.J.Res. 108: Proposing an amendment to the Constitution of the United States providing that there is no…
Who lobbied on it
5 organizations named this bill in lobbying reports (Jul 2025 – Sep 2026). Biggest spenders among them:
Committees
- Judiciary Committee
More
From GovInfo bill records, Congressional Research Service summaries, Voteview roll calls and lobbying reports.
Cite or embed this page
Capitol Receipts, “S. 331 (119th Congress): HALT Fentanyl Act,” https://www.capitolreceipts.com/bill/119-s-331/halt-fentanyl-act (accessed 2026-10-14).