PlainBillCongress, translated.Legislation. Context. Public interest.Congressional Research Service
Version 49 · Public Law · Dec 23, 2024
Detection Equipment and Technology Evaluation to Counter the Threat of Fentanyl and Xylazine Act of 2024 or the DETECT Fentanyl and Xylazine Act of 2024
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.
People & committees
Rep. LaLota, Nick [R-NY-1] · R–NY
Legislative record
A procedural vote is different from passage. Passage in one chamber does not establish enactment. Explore the glossary.
Became Public Law No: 118-186.
Became Public Law No: 118-186.
Signed by President.
Signed by President.
Presented to President.
Presented to President.
Motion to reconsider laid on the table Agreed to without objection.
On motion that the House suspend the rules and agree to the Senate amendments Agreed to by the Yeas and Nays: (2/3 required): 404 - 1 (Roll no. 514). (text: CR H7335-7336)
House roll call 514 · Individual votesResolving differences -- House actions: On motion that the House suspend the rules and agree to the Senate amendments Agreed to by the Yeas and Nays: (2/3 required): 404 - 1 (Roll no. 514). (text: CR H7335-7336)
House roll call 514 · Individual votesAt the conclusion of debate, the Yeas and Nays were demanded and ordered. Pursuant to the provisions of clause 8, rule XX, the chair announced that further proceedings on the motion would be postponed.
DEBATE - The House proceeded with forty minutes of debate on the motion to suspend the rules and agree to the Senate amendments to H.R. 8663.
Mr. Green (TN) moved that the House suspend the rules and agree to the Senate amendments. (consideration: CR H7335-7337, H7340-7341)
Message on Senate action sent to the House.
Passed Senate with an amendment and an amendment to the Title by Unanimous Consent. (text of amendment in the nature of a substitute: CR S7041)
Passed/agreed to in Senate: Passed Senate with an amendment and an amendment to the Title by Unanimous Consent.
Measure laid before Senate by unanimous consent. (consideration: CR S7041)
Senate Committee on Homeland Security and Governmental Affairs discharged by Unanimous Consent.
Senate Committee on Homeland Security and Governmental Affairs discharged by Unanimous Consent.
Received in the Senate and Read twice and referred to the Committee on Homeland Security and Governmental Affairs.
Motion to reconsider laid on the table Agreed to without objection.
On motion to suspend the rules and pass the bill Agreed to by voice vote. (text: CR H5064)
Passed/agreed to in House: On motion to suspend the rules and pass the bill Agreed to by voice vote. (text: CR H5064)
DEBATE - The House proceeded with forty minutes of debate on H.R. 8663.
Considered under suspension of the rules. (consideration: CR H5064-5065)
Mr. Gimenez moved to suspend the rules and pass the bill.
Placed on the Union Calendar, Calendar No. 531.
Reported by the Committee on Homeland Security. H. Rept. 118-634.
Reported by the Committee on Homeland Security. H. Rept. 118-634.
Ordered to be Reported by Voice Vote.
Committee Consideration and Mark-up Session Held
Subcommittee on Emergency Management and Technology Discharged
Referred to the Subcommittee on Emergency Management and Technology.
Referred to the House Committee on Homeland Security.
Introduced in House
Introduced in House
Primary sources
Text links open the official source. We currently store references to these documents.
Source last updated: Dec 6, 2025. Consult Congress.gov for the current record.
AI Conversation Starters
Choose a perspective, copy a prompt, and paste it into your preferred AI. Each prompt includes the bill version and available official source links, and asks for counterarguments as well as supporting evidence.
Analyze H.R.8663 as objectively as possible. Explain its main provisions, who would be affected, possible benefits and harms, implementation, exceptions, and uncertainties. Present the strongest arguments for and against it, and identify evidence needed to assess its public impact.
Examine H.R.8663 through a progressive lens, focusing on fairness, access, economic inequality, and effects on vulnerable communities. Explain potential benefits, costs, and unintended consequences. Consider the strongest counterarguments and distinguish stated goals from demonstrated outcomes.
Examine H.R.8663 through a conservative lens, focusing on fiscal responsibility, institutional stability, federalism, and the scope of government. Explain potential benefits, costs, and unintended consequences. Consider the strongest counterarguments and any provisions that challenge this perspective.
Examine H.R.8663 through a civil-liberties and limited-government lens. Consider individual rights, privacy, voluntary choice, accountability, and government power. Explain tradeoffs, possible safeguards, and the strongest counterarguments without assuming the proposal is beneficial or harmful.