Halt All Lethal Trafficking of Fentanyl Act or the HALT Fentanyl Act This bill 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 bill, 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 bill establishes a new, alternative registration process for certain schedule I research. The bill also makes several other changes to registration requirements for conducting research with controlled substances, including permitting a single registration for related research sites in certain circumstances, waiving the requirement for a new inspection in certain situations, and allowing a registered researcher to perform certain manufacturing activities with small quantities of a substance without obtaining a manufacturing registration. Finally, the bill 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 substanc…
VOTE BREAKDOWN
Final passage · 524 politicians tracked
397
YEA
120
NAY
0
PRESENT
7
NOT VOTING
BY PARTY · ✕ NAY ← | → YEA ✓
MONEY ON THIS BILL
Which donor industries fund each side of the vote — total contributions from that industry to those members, all cycles · plus lobbying activity in affected industries
⬆ YEA voters — top donor industries
⬇ NAY voters — top donor industries
◎ Lobbying activity by issue area
No bill-issue lobbying matches.
Dollar figures are each industry's total contributions to those members across all tracked cycles — not money given for this specific bill. Statistical patterns in public records; correlation, not causation.
LOBBYING ON THIS BILL
58 federal lobbying reports name this bill in their activity descriptions · LDA disclosures
⟳ The revolving door — lobbyists on this bill with disclosed former government roles
“Covered position” is the former government job lobbyists must disclose by law (LDA §4). Prior service is stated on the filings; it carries no implication of wrongdoing. Full revolving-door board →
A report naming a bill means the organization disclosed lobbying activity on it — the disclosure does not state a position for or against.
INDIVIDUAL VOTES
Recorded positions for tracked politicians













































































































































































































































































































































































































SPONSORS

Bill Cassidy
R-LA · Primary
31 COSPONSORS
BIPARTISAN





+25 more (see dot grid above)
SPONSOR FUNDING
Top industries funding Cassidy
TRAIL AI
The HALT Fentanyl Act (S 331) addresses measures related to fentanyl and has been signed into law. The bill passed with 396 votes in favor and 120 opposed, with Republicans voting 265-1 in support and Democrats voting 129-118 in support, showing a significant partisan difference in support levels.
Based on public voting records. Does not imply causation.
TIMELINE
DATA SOURCES
Bill data: Congress.gov · 117th–119th Congress (2021–present)
Vote records: House Clerk / Senate · 2021–present
Reflects public records. Does not imply causation.