S. 545

119th Congress

Reported

Combating Illicit Xylazine Act

Sponsored byDemocrat:Sen. Cortez Masto, Catherine [D-NV]NV· Introduced 12 février 2025

35

Cosponsors

5

Actions

0

Amendments

1

Committees

Since introduced

Introduced
Committee
Passed Chamber
Passed Both
Enacted
Step 1 of 0
Latest action

Placed on Senate Legislative Calendar under General Orders. Calendar No. 372.

15 avril 2026·3 months ago

Summary

Reported to Senate · Updated 10 juillet 2026

Combating Illicit Xylazine Act

This bill regulates xylazine under the Controlled Substances Act (CSA).

Xylazine, also known as tranq, is a nonopioid sedative and pain reliever that is approved for use in animals. Recently, the Drug Enforcement Administration (DEA) has reported an increase in trafficking of fentanyl mixed with xylazine.

This bill adds xylazine, including its salts, isomers, and salts of isomers, to schedule III of the CSA. Schedule III controlled substances, including anabolic steroids, buprenorphine, and ketamine, have less potential for abuse than a schedule I or II substance, have a currently accepted medical use, and have low or moderate risk of dependence if abused.

Under the bill, manufacturing, distributing, or dispensing xylazine, or possessing with intent to manufacture, distribute, or dispense xylazine for illicit use is subject to criminal penalties under the CSA. The bill also requires xylazine transactions to be tracked in the drug reporting system maintained by the DEA.

The bill exempts from registration under the CSA persons and entities that possess xylazine (1) lawfully dispensed by a veterinarian or pharmacy and (2) for an animal or for use in certain animal-control or wildlife programs.

The bill also exempts xylazine manufacturers from the CSA's physical security requirements.

Finally, the bill requires the DEA, in coordination with the Department of Health and Human Services (HHS), to provide Congress with a report on how the agencies previously determined whether xylazine should be a controlled substance, including the full text of HHS's recommendations to the DEA for scheduling xylazine.

Timeline

5 actions

  1. Placed on Senate Legislative Calendar under General Orders. Calendar No. 372.

    15 avril 2026 · Calendars

  2. Committee on the Judiciary. Reported by Senator Grassley with an amendment in the nature of a substitute. Without written report.

    15 avril 2026 · Committee

  3. Committee on the Judiciary. Ordered to be reported with an amendment in the nature of a substitute favorably.

    26 mars 2026 · Committee

  4. Read twice and referred to the Committee on the Judiciary.

    12 février 2025 · IntroReferral

  5. Introduced in Senate

    12 février 2025 · IntroReferral

Sponsorship

35 cosponsors

Cosponsors

  • Democrat1543%
  • Republican1954%
  • Independent13%

Classification

Policy area

Crime and Law Enforcement

Legislative subjects

Congressional oversightConsumer affairsCriminal procedure and sentencingDrug safety, medical device, and laboratory regulationDrug trafficking and controlled substancesLicensing and registrationsManufacturingU.S. Sentencing CommissionVeterinary medicine and animal diseases

Committees

1

  • Judiciary Committee

    Senate · Standing

    • Referred To12 Feb 2025
    • Referred To12 Feb 2025
    • Markup By26 Mar 2026

Cosponsor momentum

Cumulative over time

Cosponsors grew from 18 on 12 février 2025 to 35 on 9 juin 2026.

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