PolicyBrief
S. 331
119th CongressMar 14th 2025
Halt All Lethal Trafficking of Fentanyl Act
SENATE PASSED

The HALT Fentanyl Act permanently classifies fentanyl-related substances as Schedule I drugs, streamlines research on these substances, and increases penalties for trafficking them.

Bill Cassidy
R

Bill Cassidy

Senator

LA

PartyTotal VotesYesNoDid Not Vote
Democrat
4530150
Independent
2110
Republican
535300
LEGISLATION

HALT Fentanyl Act: Tougher Penalties, Streamlined Research, Immediate Action

The "Halt All Lethal Trafficking of Fentanyl Act," or HALT Fentanyl Act, throws fentanyl-related substances into the Schedule I drug category – alongside heroin and LSD. This means tougher penalties for making, selling, or even just having these substances. But it also tries to make it easier for researchers to study them, and it fixes some technical errors in existing drug laws. The whole thing is effective right now, even before all the specific rules are hammered out.

Cracking Down and Clearing Paths

The main thrust of this bill is twofold: get tougher on fentanyl-related drugs, but also clear the way for legitimate research. On the crackdown side, it's all about classifying a bunch of fentanyl-like chemicals as Schedule I. This means they're considered highly addictive with no accepted medical use, leading to serious penalties. Section 2 of the bill lays out the chemical definition of what counts as a "fentanyl-related substance." If you're caught with it, you're looking at the same penalties as if you had fentanyl itself (see Section 6).

On the flip side, Section 3 aims to streamline research. If you're a researcher already approved to study Schedule I or II drugs, you can start working on these fentanyl-related substances 30 days after notifying the Attorney General. If you don't have that existing approval, the Attorney General has 45 days to greenlight your research or explain why not. The bill also lets more researchers at an institution work under a single registration, and it even allows some small-scale manufacturing for research purposes. For example, a chemist could create small batches of a fentanyl-related substance to test its effects on cells without needing a full-blown manufacturer's license. The aim is to get more scientists studying these chemicals, fast.

Real-World Rollout

So, what does this mean on the streets and in the labs? For someone dealing or using these substances, it means harsher penalties, potentially right away. For researchers, it could mean less red tape, but that depends on how the Attorney General's office handles the new rules (which, by the way, they have six months to create, according to Section 5). And those rules go into effect immediately as "interim final rules," meaning they're law even before the public gets a chance to weigh in fully.

There's also a bit of legal housekeeping. Section 4 fixes some typos in a previous law (Public Law 117-328) related to how controlled substances are dispensed. It's a small but important detail to make sure the laws are applied correctly.

The Big Picture and Potential Problems

This bill is a direct response to the fentanyl crisis, trying to cut off supply while also understanding the need for research. But there are some potential hitches. The definition of "fentanyl-related substance" is pretty broad, and while it's meant to catch new variations, it could potentially sweep in substances that shouldn't be there. Also, while streamlining research is a good thing, there's always a risk of someone exploiting those easier rules for illegal activities.

The fact that the Attorney General can put rules into effect immediately is also worth noting. It means things can change quickly, without the usual back-and-forth of public comment and revision. Section 7 makes it clear: this law is in effect from the day it's enacted, regardless of when the final rules are published. Finally, the bill specifically mentions a court case (United States v. McCray) to clarify how Congress interprets existing law on fentanyl analogues – basically, they're agreeing with the court's decision that these substances are already covered under existing law, even before this new bill.