STOP Nitazenes Act
Latest action · Jul 21, 2026 Ordered to be Reported in the Nature of a Substitute by the Yeas and Nays: 28 - 21.
Progress
Where this bill reached, and when. A stage with no date was not reached; one that failed a vote and later carried shows the date it carried.
- IntroducedMar 18, 2026
- Passed HouseNot reached
- Passed SenateNot reached
- To the PresidentNot reached
- Became lawNot reached
Summary
Strengthening Tools to Outlaw Poisonous Nitazenes Act or the STOP Nitazenes Act
This bill permanently places nitazenes as a class into schedule I of the Controlled Substances Act. Nitazenes are synthetic opioids similar to fentanyl that can be as potent or more potent than fentanyl. 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.
Cosponsors 10
Members who signed on, in the order they did. Signatures ran from Mar 26, 2026 to Jul 22, 2026.
| Seat | Cosponsor | Signed on | |
|---|---|---|---|
| D-VA | Eugene Simon Vindman | Mar 26, 2026 | |
| R-OH | David P. Joyce | Mar 27, 2026 | |
| R-WA | Michael Baumgartner | Mar 27, 2026 | |
| R-KS | Tracey Mann | Apr 9, 2026 | |
| R-TX | August Pfluger | Apr 27, 2026 | |
| R-IN | James R. Baird | Apr 27, 2026 | |
| R-NC | Addison P. McDowell | May 13, 2026 | |
| R-TX | Craig A. Goldman | Jun 30, 2026 | |
| R-NC | Tim Moore | Jul 13, 2026 | |
| R-CA | Ken Calvert | Jul 22, 2026 |
Committees 2
Where it was sent and what each committee and subcommittee did with it, in order.
| Chamber | Committee | What it did |
|---|---|---|
| House | Energy and Commerce Committee | Referred Mar 18, 2026Markup Jul 20, 2026Markup Jul 21, 2026 |
| Health Subcommittee | Referred Mar 18, 2026Markup Jun 25, 2026Reported Jun 25, 2026 | |
| House | Judiciary Committee | Referred Mar 18, 2026 |
Actions 8
Everything that happened, newest first.
- Jul 21, 2026Committee Consideration and Mark-up Session Held
- Jul 21, 2026Ordered to be Reported in the Nature of a Substitute by the Yeas and Nays: 28 - 21.
- Jul 20, 2026Committee Consideration and Mark-up Session Held
- Jun 25, 2026Subcommittee Consideration and Mark-up Session Held
- Jun 25, 2026Forwarded by Subcommittee to Full Committee by Voice Vote.
- Mar 18, 2026Referred to the Subcommittee on Health.
- Mar 18, 2026Introduced in House
- Mar 18, 2026Referred to the Committee on Energy and Commerce, and in addition to the Committee on the Judiciary, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.
In the Congressional Record 1
Days the Record’s own index lists this bill, newest first, with the pages and the members it names. Pages starting H are the House, S the Senate, E Extensions of Remarks.
| Where | In the Record | Members | Date |
|---|---|---|---|
| House | Lists H2597H.R. 7970–7992 | — | Mar 18, 2026 |
Research
What has been written about this bill: committee reports, cost estimates, the sponsor’s authority statement, printed hearings and the Congressional Research Service’s work.
Constitutional authority
The sponsor’s statement, as printed in the Congressional Record, vol. 172, no. 49, March 18, 2026, page H2597.
Titles 3
Every title it has carried, official and short, at each stage.
- Official Title as Introduced
- To amend the Controlled Substances Act to permanently schedule 2-benzylbenzimidazole opioids (commonly referred to as nitazenes) as Schedule 1 controlled substances, and for other purposes.
- Short Title(s) as Introduced
- STOP Nitazenes Act
- Strengthening Tools to Outlaw Poisonous Nitazenes Act
Subjects
Assigned by the Library of Congress. Policy area: Crime and Law Enforcement.
Text 1
Each version as it was printed, newest first.
- Mar 18, 2026Introduced in House
Everything here is as published by Congress: the summary is the Congressional Research Service's, the action wording is the clerks', and the subjects are the Library of Congress's. How far it got is read from the actions themselves, taking the most recent one of each kind, so a bill that failed a vote and later passed is shown as having passed. Records come from this bill on Congress.gov and govinfo.gov; cost estimates are the Congressional Budget Office's, and the hearings are the printed hearings GovInfo publishes, which can appear months after the hearing.
