H.R. 8663DETECT Fentanyl and Xylazine Act of 2024

1 recorded action303 of these members are on the 2026 ballotWhat the measure does Read on Congress.gov

Sponsor: Nick LaLota [R-NY-01]
Cosponsors: 2 · 2 Democrats
Policy area: Science, Technology, Communications
Committees: Homeland Security Committee, Homeland Security and Governmental Affairs Committee
Latest action: Dec 23, 2024 · Became Public Law No: 118-186.

IntroducedJun 7, 2024
Passed the HouseSep 9, 2024
Passed the SenateDec 12, 2024
Sent to the PresidentDec 23, 2024
Became lawDec 23, 2024

What the measure doesCRS summary

This act provides statutory authority for the Department of Homeland Security's Science and Technology Directorate to take certain actions to support the detection of drugs such as fentanyl and xylazine.

Specifically, the act provides statutory authority for the directorate's research and development efforts to improve drug detection equipment and reference libraries for law enforcement agencies, including with respect to portable equipment, equipment that can analyze complex samples, and technology that uses artificial intelligence or other techniques to detect new substances. The act additionally requires the directorate to follow certain standards and rely on certain information from the National Institute of Standards and Technology and the Drug Enforcement Administration, respectively, regarding these efforts.

Written by the nonpartisan Congressional Research Service, describing H.R. 8663 as public Law on Dec 23, 2024. It is not the text of the measure; a later amendment may have changed what it does.

How every member votedHouse roll call 514

House Dec 18, 2024

On Motion to Suspend the Rules and Concur in the Senate Amendments

DETECT Fentanyl and Xylazine Act

Passed · Two-thirds required

404 Yea 1 Nay 24 not voting

Crossed both parties 1 of 405 voting members broke with their own party: 1 Republican.

Open the official roll call

How the chamber split

One dot per member. Select a seat or a bar to filter the list.

DemocratsRepublicansFilled: YeaRing: NayGrey: not voting or present

By party select a segment to filter

All members429 members

Democratic211 members

Republican218 members

marks half of the votes cast. A party’s majority is the side most of its voting members took.

Cosponsors2 · 2 Democrats

Signing on is not a vote: a member can cosponsor H.R. 8663 and vote against it. 1 signed when it was filed.

DJ. Luis Correa [D-CA-46]Original2026 profile

DDonald G. Davis [D-NC-01]Joined Jun 25, 20242026 profile

Who lobbied on H.R. 86631 organization

Organizations that named H.R. 8663 in a lobbying disclosure. Only those that cited the bill by number appear, so this is a floor, not a full list.

SERGEANTS BENEVOLENT ASSOCIATION OF NEW YORK CITYfiled by LONGBOW PUBLIC POLICY GROUP, LLC

Defense · Government Issues · Health Issues · Law Enforcement/Crime/Criminal Justice +4 more3 filings · 4th Quarter (Oct 1 - Dec 31) 2024Filing

3 disclosures name this measure. Retrieved from LDA.gov on 2026-10-04. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.