Schedules of Controlled Substances: Placement of Diphenidine in Schedule I
What happened
With a final rule effective October 21, 2026, the Drug Enforcement Administration (DEA), Department of Justice, placed diphenidine into Schedule I of the Controlled Substances Act. This action imposes regulatory controls and administrative, civil, and criminal sanctions on those who handle diphenidine. The rule was signed by Donald Trump and published in the Federal Register on September 21, 2026.
Why it matters
This means that manufacturing, distributing, importing, exporting, or possessing diphenidine without authorization will be subject to strict federal penalties. The action helps the United States meet its international obligations under the 1971 Convention on Psychotropic Substances.
Who it affects
- ›Manufacturers of diphenidine
- ›Distributors of diphenidine
- ›Importers and exporters of diphenidine
- ›Researchers using diphenidine
- ›Individuals possessing diphenidine
The receipts are official. The summary is ours.
Read on Federal Register ↗Summaries are generated from the official text and may simplify or omit nuance. The official document is the source of truth.