S. 331 · 119th Congress
Permanently classifies fentanyl-related substances as Schedule I controlled drugs
Official title: HALT Fentanyl Act1
§1What it does
Why this matters: A plain-English description of the bill as it was voted on, written by us from the official summary and text.
Drafted by AI from the public sources cited. Each sentence links to its source.
This law permanently places fentanyl-related substances, as a group, in Schedule I of the Controlled Substances Act, the category for drugs considered to have a high potential for abuse and no accepted medical use.2,
§2Status
| Status | Became law (Public Law 119-26).1 |
|---|---|
| Introduced | January 30, 2025 |
| Sponsor | Sen. Cassidy, Bill [R-LA] |
| Cosponsors | 31 cosponsors (6 Democratic, 24 Republican, 1 independent) |
| Official record | S. 331 on Congress.gov |
§3How Congress voted
Why this matters: The official count.
House, June 12, 2025
On Passage: Passed — 321 yes, 104 no, 7 not voting.4
Senate, March 14, 2025
On Passage of the Bill: Bill Passed — 84 yes, 16 no.5