S331: HALT Fentanyl Act
119th Congress (2025–2027) · Senate bill · Sponsor: Sen. Cassidy, Bill [R-LA]

119th Congress (2025–2027) · Senate bill · Sponsor: Sen. Cassidy, Bill [R-LA]
| Item | Detail |
|---|---|
| Roll-call votes | 4 |
| Chamber | House and Senate |
| Latest vote | 2025-06-12: Passed |
| Latest action | 2025-07-16: Became Public Law No: 119-26. |
| Policy area | Crime and Law Enforcement |
| Official record | Congress.gov |
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 of New York. In that case, the court held that butyryl fentanyl, a controlled substance, can be…
Subjects: Administrative law and regulatory procedures, Department of Justice, Drug trafficking and controlled substances, Licensing and registrations, Research administration and funding
Every recorded vote on this bill, newest first, with a link to the official tally. Member-by-member positions are on each member’s profile.
| Date | Chamber | Question | Result | Yea | Nay | Not voting | Record |
|---|---|---|---|---|---|---|---|
| 2025-06-12 | House | Yea-and-Nay | Passed | 317 | 104 | 7 | Official tally |
| 2025-03-14 | Senate | On Passage of the Bill S. 331 | Bill Passed (84-16) | 82 | 16 | 0 | Official tally |
| 2025-03-13 | Senate | On the Cloture Motion S. 331 | Cloture Motion Agreed to (84-15, 3/5 majority required) | 82 | 15 | 1 | Official tally |
| 2025-03-06 | Senate | On Cloture on the Motion to Proceed S. 331 | Cloture on the Motion to Proceed Agreed to (82-12, 3/5 majority required) | 80 | 12 | 6 | Official tally |
S331 (HALT Fentanyl Act) was introduced in the 119th Congress (2025–2027) by Sen. Cassidy, Bill [R-LA].
On 2025-07-16: Became Public Law No: 119-26.
4 recorded votes in the 119th Congress. The most recent, on 2025-06-12, was "Yea-and-Nay": Passed.