House · Roll call 166 · June 12, 2025

A vote to pass S. 331, the HALT Fentanyl Act, which permanently places fentanyl-related substances in schedule I of the Controlled Substances Act.

Passed321–104 Passage
Question
On Passage
Bill
S. 331, HALT Fentanyl Act
← Most liberalThe aisleMost conservative →
YesNoPresentDid not vote
Each dot is one current member, in the same seat as on their member page, from most liberal (left) to most conservative (right). Color shows how they voted. Seats show current members. Members who have since left Congress appear in the list below.

How each party voted

Democrats
Yes 104 · No 103 · Did not vote 5
Republicans
Yes 217 · No 1 · Did not vote 2

Most Democrats voted Yes (104 of 212).

Most Republicans voted Yes (217 of 220).

President's positions

The President's position: wanted a Yes vote

“The Administration strongly supports enactment of the HALT Fentanyl Act.”

Source: White House statement on the bill · Checked against the statement (AI-assisted)

About this vote

The HALT Fentanyl Act permanently places fentanyl-related substances, as a class, into schedule I of the Controlled Substances Act. The bill passed the House.

This summary was drafted and checked with AI (Claude) using only the official record of the vote. Report an error

Summary by the Congressional Research Service

Halt All Lethal Trafficking of Fentanyl Act or the HALT Fentanyl Act This act permanently places fentanyl-related substances as a class into schedule I of the Controlled Substances Act.

How each member voted

MemberSeatTheir vote
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