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HALT Fentanyl Act

7/25/2025, 12:21 PM

Summary of Bill S 331

Bill 119 s 331, also known as the Fentanyl Scheduling Act, is a proposed piece of legislation that aims to make changes to the Controlled Substances Act in regards to the scheduling of fentanyl-related substances. The main purpose of this bill is to address the growing issue of fentanyl-related overdoses and deaths in the United States.

The bill seeks to reclassify certain fentanyl-related substances as Schedule I controlled substances, which are considered to have a high potential for abuse and no accepted medical use. By doing so, the bill aims to make it more difficult for these substances to be manufactured, distributed, and abused.

In addition to the scheduling changes, the bill also includes provisions for increasing penalties for the trafficking and distribution of fentanyl-related substances. This is intended to deter individuals and organizations from engaging in the illegal production and distribution of these dangerous drugs. Overall, the Fentanyl Scheduling Act is a response to the growing public health crisis surrounding fentanyl-related overdoses and deaths. By reclassifying these substances and increasing penalties for their trafficking, the bill aims to combat the spread of fentanyl abuse and prevent further harm to individuals and communities across the country.

Congressional Summary of S 331

Halt All Lethal Trafficking of Fentanyl Act or the HALT Fentanyl Act

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

  • 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 act 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 substance, can be considered an analogue of fentanyl even though, under the Controlled Substances Act, the term controlled substance analogue specifically excludes a controlled substance.

Current Status of Bill S 331

Bill S 331 is currently in the status of Became Public Law since July 16, 2025. Bill S 331 was introduced during Congress 119 and was introduced to the Senate on January 30, 2025.  Bill S 331's most recent activity was Became Public Law No: 119-26. as of July 16, 2025

Bipartisan Support of Bill S 331

Total Number of Sponsors
1
Democrat Sponsors
0
Republican Sponsors
1
Unaffiliated Sponsors
0
Total Number of Cosponsors
129
Democrat Cosponsors
30
Republican Cosponsors
94
Unaffiliated Cosponsors
5

Policy Area and Potential Impact of Bill S 331

Primary Policy Focus

Crime and Law Enforcement

Alternate Title(s) of Bill S 331

A bill to amend the Controlled Substances Act with respect to the scheduling of fentanyl-related substances, and for other purposes.
A bill to amend the Controlled Substances Act with respect to the scheduling of fentanyl-related substances, and for other purposes.

Comments

Kelsey Williford profile image

Kelsey Williford

633

11 months ago

I don't like this bill, it's gonna mess things up for me and my fam. They need to think about the people before passing stuff like this. #notcool #badidea

Zuri Keller profile image

Zuri Keller

597

11 months ago

I heard about this new bill on fentanyl. Will this make it harder for me to get my pain medication?

Azalea Parks profile image

Azalea Parks

538

11 months ago

Not a fan of it. Did you know it includes mandatory minimum sentences for fentanyl-related offenses?

Thomas Bowling profile image

Thomas Bowling

616

11 months ago

I don't agree with this new bill that's being discussed. It seems like it could have some negative impacts on me and others in my community. I'm concerned about how it might affect access to necessary medications and the potential for unintended consequences. I hope that there can be more thoughtful discussion and consideration before any decisions are made.

Paige Chang profile image

Paige Chang

685

7 months ago

I don't see how this will help at all. It seems like just another way for the government to control us.

Justice Moody profile image

Justice Moody

577

7 months ago

yo this bill 331 HALT Fentanyl Act is like, so not cool man. like, why is it tryna mess with my life like this? i don't get it. can someone explain why this is happening? like, what even is this bill trying to do to me?

Albert Weiss profile image

Albert Weiss

614

11 months ago

I think this bill is a step in the right direction. It's important to address the fentanyl crisis and take action to prevent more lives from being lost. This bill could have a positive impact on communities across the country.

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