Takes Effect

Takes effect

Federal Crime, police and courts

Diphenidine, a dissociative street drug, becomes a Schedule I controlled substance

Diphenidine and its salts and isomers join Schedule I of the Controlled Substances Act. Anyone who makes, sells, imports, researches or possesses it needs a Schedule I registration or must give up their supply.

Who it affects

Anyone who makes, sells, researches or holds diphenidine

When

This rule takes effect on October 21, 2026.

Official text

FR Doc. 2026-19231: Schedules of Controlled Substances: Placement of Diphenidine in Schedule I
On Federal Register. The official text is what counts; read it before you act.

Not legal advice. Plain-English summaries to help you find what changes and when. Not legal advice: read the official text, and ask a lawyer about your situation.

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