Law makes fentanyl-like drugs illegal and eases research rules.

What it does

The bill makes all chemicals that look like fentanyl automatically illegal. Researchers who already study dangerous drugs can start fentanyl research within 30 days. They notify the DEA first. Researchers can make small amounts of controlled drugs for studies. They do not need a separate license to make drugs.

Who it affects

Scientists and researchers studying fentanyl are affected. Chemists and drug makers could face charges if they make chemicals that look like fentanyl. The DEA gains power to classify new drugs faster.

One thing to notice

The DEA can classify chemicals as illegal based only on how they are built. No proof of danger or actual drug use is required.

From the analysis of the bill text, linked under Primary records below.

Where it stands

31 cosponsors: 24 Republicans, 6 Democrats, 1 Independents.

• Jan 30, 2025 — Introduced · Congress.gov: “Introduced in Senate”
• Jan 30, 2025 — Referred to Senate Committee on the Judiciary · Congress.gov: “Read twice and referred to the Committee on the Judiciary”
• Feb 27, 2025 — Reported out of committee · Congress.gov: “Committee on the Judiciary. Ordered to be reported with an amendment in the nature of a substitute favorably”
• Mar 14, 2025 — Passed the Senate · Congress.gov: “Passed Senate with an amendment by Yea-Nay Vote. 84 - 16. Record Vote Number: 127”
• Jun 12, 2025 — Passed both chambers · Congress.gov: “On passage Passed by the Yeas and Nays: 321 - 104 (Roll no. 166). (text: 6/11/2025 CR H2625-2627)”
• Jul 8, 2025 — Sent to president · Congress.gov: “Presented to President”
• Jul 16, 2025 — Signed into law · Congress.gov: “Became Public Law No: 119-26”

Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.

Money around this bill

5 groups reported lobbying about this bill. They filed 5 reports from Dec 2025 to Jun 2026.

Those reports show $165,000 in lobbying spending. Each report lists about 7 bills. So that money was not all for this bill.

More groups named this bill than 78% of bills with any report.

Bill Cassidy, who sponsored the bill, received $1,403,254 from PACs for the 2026 election.

• Peace Officers Research Association of California — $50,000 in 1 report
• University of Iowa — $50,000 in 1 report
• Brainfutures — $40,000 in 1 report
• Due Process Institute — $15,000 in 1 report
• Act for America — $10,000 in 1 report

Lobbying is legal. These reports show who lobbied about this bill, not what changed.

Words to know

• DEA — The Drug Enforcement Administration, the federal agency that enforces drug laws.
• controlled drugs — Drugs the government says are dangerous and regulates how they are made and used.
• fentanyl — A powerful painkiller that is often made illegally and causes overdose deaths.
• lobbying — Trying to influence lawmakers about a bill. Companies and groups pay people to do this.
• PACs — Groups that collect money and give it to candidates for office.
• sponsored — To sponsor a bill is to introduce it in Congress and put your name on it.