Luminous
← All bills
S 331LawCrime & Policingsenate

HALT Fentanyl Act

Introduced Jan 30, 2025 by Sen. Bill Cassidy

IntroducedCommitteeFloorCongressLaw

Signed into law.

Latest action · Jul 16, 2025
Became Public Law No: 119-26.
Read it on Congress.gov
What it does

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 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, including

Read the full summary on Congress.gov

Summary by the Congressional Research Service.

Roll-call votes
321–104PASSED
On Passage
house · Jun 12, 2025
84–16BILL PASSED
On Passage of the Bill S. 331
senate · Mar 14, 2025
84–15CLOTURE MOTION AGREED TO
On the Cloture Motion S. 331
senate · Mar 13, 2025
82–12CLOTURE ON THE MOTION TO PROCEED AGREED TO
On Cloture on the Motion to Proceed S. 331
senate · Mar 6, 2025
History
  1. Jul 16, 2025
    Became Public Law No: 119-26.
  2. Jul 16, 2025
    Signed by President.
  3. Jul 8, 2025
    Presented to President.
  4. Jun 12, 2025
    Motion to reconsider laid on the table Agreed to without objection.
  5. Jun 12, 2025
    On passage Passed by the Yeas and Nays: 321 - 104 (Roll no. 166). (text: 6/11/2025 CR H2625-2627)
  6. Jun 12, 2025
    Passed/agreed to in House: On passage Passed by the Yeas and Nays: 321 - 104 (Roll no. 166). (text: 6/11/2025 CR H2625-2627)
  7. Jun 12, 2025
    Considered as unfinished business. (consideration: CR H2806)
  8. Jun 11, 2025
    POSTPONED PROCEEDINGS - At the conclusion of debate on S. 331, the Chair put the question on passage of the bill and by voice vote, announced that the ayes had prevailed. Mr. Pallone demanded the yeas and nays and the Chair postponed further proceedings until a time to be announced.
  9. Jun 11, 2025
    The previous question was ordered pursuant to the rule.
  10. Jun 11, 2025
    DEBATE - The House proceeded with one hour of debate on S. 331.
  11. Jun 11, 2025
    Rule provides for consideration of H.R. 884, H.R. 2056, H.R. 2096 and S. 331. The resolution provides for consideration of H.R. 884, H.R. 2056, H.R. 2096, and S. 331 under a closed rule with one hour of general debate for each bill. The resolution provides for one motion to recommit on H.R. 884, H.R. 2056, and H.R. 2096, and one motion to commit on S. 331.
  12. Jun 11, 2025
    Considered under the provisions of rule H. Res. 489. (consideration: CR H2625-2633)
  13. Jun 10, 2025
    Rule H. Res. 489 passed House.
  14. Jun 9, 2025
    Rules Committee Resolution H. Res. 489 Reported to House. Rule provides for consideration of H.R. 884, H.R. 2056, H.R. 2096 and S. 331. The resolution provides for consideration of H.R. 884, H.R. 2056, H.R. 2096, and S. 331 under a closed rule with one hour of general debate for each bill. The resolution provides for one motion to recommit on H.R. 884, H.R. 2056, and H.R. 2096, and one motion to commit on S. 331.
  15. Mar 18, 2025
    Held at the desk.
  16. Mar 18, 2025
    Received in the House.
  17. Mar 14, 2025
    Message on Senate action sent to the House.
  18. Mar 14, 2025
    Passed Senate with an amendment by Yea-Nay Vote. 84 - 16. Record Vote Number: 127.
  19. Mar 14, 2025
    Passed/agreed to in Senate: Passed Senate with an amendment by Yea-Nay Vote. 84 - 16. Record Vote Number: 127.
  20. Mar 14, 2025
    The committee substitute agreed to by Unanimous Consent.
  21. Mar 14, 2025
    Considered by Senate. (consideration: CR S1762-1765)
  22. Mar 13, 2025
    Considered by Senate. (consideration: CR S1735)
  23. Mar 13, 2025
    Cloture on the measure invoked in Senate by Yea-Nay Vote. 84 - 15. Record Vote Number: 124. (CR S1735)
  24. Mar 11, 2025
    Cloture motion on the measure presented in Senate. (CR S1659)
  25. Mar 11, 2025
    Considered by Senate. (consideration: CR S1659)
  26. Mar 10, 2025
    Measure laid before Senate by motion.
  27. Mar 10, 2025
    Motion to proceed to consideration of measure agreed to in Senate by Voice Vote. (consideration: CR S1623)
  28. Mar 10, 2025
    Motion to proceed to measure considered in Senate. (CR S1623)
  29. Mar 6, 2025
    Cloture on the motion to proceed to the measure invoked in Senate by Yea-Nay Vote. 82 - 12. Record Vote Number: 110. (CR S1596)
  30. Mar 6, 2025
    Motion to proceed to measure considered in Senate. (CR S1596)
  31. Mar 5, 2025
    Motion to proceed to measure considered in Senate. (CR S1521)
  32. Mar 4, 2025
    Cloture motion on the motion to proceed to the measure presented in Senate. (CR S1488)
  33. Mar 4, 2025
    Motion to proceed to consideration of measure made in Senate. (CR S1488)
  34. Mar 3, 2025
    Placed on Senate Legislative Calendar under General Orders. Calendar No. 18.
  35. Mar 3, 2025
    Committee on the Judiciary. Reported by Senator Grassley with an amendment in the nature of a substitute. Without written report.
  36. Feb 27, 2025
    Committee on the Judiciary. Ordered to be reported with an amendment in the nature of a substitute favorably.
  37. Jan 30, 2025
    Read twice and referred to the Committee on the Judiciary.
  38. Jan 30, 2025
    Introduced in Senate