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 |
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, 2026Forwarded by Subcommittee to Full Committee by Voice Vote.
- Jun 25, 2026Subcommittee Consideration and Mark-up Session Held
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.