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S 331 · enacted · significant

HALT Fentanyl Act

What this bill does

  • This bill permanently classifies all fentanyl-related substances as Schedule I drugs with no legal medical use.
  • Drug traffickers and manufacturers of fentanyl-related substances face the same criminal penalties as fentanyl offenders.
  • Researchers studying Schedule I drugs gain streamlined registration processes and can conduct limited manufacturing without separate permits.

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Community Threads

Started by Cosponsor

  1. 01

    How might permanently scheduling all fentanyl-related substances affect legitimate pharmaceutical research into pain management alternatives?

  2. 02

    What trade-offs exist between streamlining researcher access to Schedule I drugs and maintaining oversight of fentanyl-related substance manufacturing?

  3. 03

    Which populations or medical conditions could be affected if fentanyl-related compounds lose all legal medical use designations?

Cosponsor writes these to seed civic discussion — they aren't user posts. Sign in to reply.

Sponsor · R-LA

Bill Cassidy

Citizen cosponsors

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In Congress

31/ 100

Senators cosponsoring

Introduced 2025-07-16

Joining the bill

+ 19 more

Legislative timeline

  1. 2025-07-16 · President

    Became Public Law No: 119-26.

  2. 2025-07-16 · BecameLaw

    Became Public Law No: 119-26.

  3. 2025-07-16 · President

    Signed by President.

  4. 2025-07-16 · BecameLaw

    Signed by President.

  5. 2025-07-08 · house · Floor

    Presented to President.

  6. 2025-07-08 · President

    Presented to President.

  7. 2025-06-12 · house · Floor

    Motion to reconsider laid on the table Agreed to without objection.

  8. 2025-06-12 · house · Floor

    On passage Passed by the Yeas and Nays: 321 - 104 (Roll no. 166). (text: 6/11/2025 CR H2625-2627)

  9. 2025-06-12 · Floor

    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)

  10. 2025-06-12 · house · Floor

    Considered as unfinished business. (consideration: CR H2806)

  11. 2025-06-11 · house · Floor

    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.

  12. 2025-06-11 · house · Floor

    The previous question was ordered pursuant to the rule.

  13. 2025-06-11 · house · Floor

    DEBATE - The House proceeded with one hour of debate on S. 331.

  14. 2025-06-11 · house · Floor

    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. 2025-06-11 · house · Floor

    Considered under the provisions of rule H. Res. 489. (consideration: CR H2625-2633)

  16. 2025-06-10 · house · Floor

    Rule H. Res. 489 passed House.

  17. 2025-06-09 · house · Floor

    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.

  18. 2025-03-18 · house · Floor

    Held at the desk.

  19. 2025-03-18 · house · Floor

    Received in the House.

  20. 2025-03-14 · senate · Floor

    Message on Senate action sent to the House.

  21. 2025-03-14 · senate · Floor

    Passed Senate with an amendment by Yea-Nay Vote. 84 - 16. Record Vote Number: 127.

  22. 2025-03-14 · Floor

    Passed/agreed to in Senate: Passed Senate with an amendment by Yea-Nay Vote. 84 - 16. Record Vote Number: 127.

  23. 2025-03-14 · senate · Floor

    The committee substitute agreed to by Unanimous Consent.

  24. 2025-03-14 · senate · Floor

    Considered by Senate. (consideration: CR S1762-1765)

  25. 2025-03-13 · senate · Floor

    Considered by Senate. (consideration: CR S1735)

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