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Trump Signs HALT Fentanyl Act to Permanently Classify Analogs as Schedule I

It responds to calls from overdose victims' families by imposing mandatory sentences targeting illicit fentanyl networks.

Overview

  • President Trump signed the HALT Fentanyl Act into law at a White House ceremony on July 16, 2025, joined by relatives of overdose victims.
  • The legislation permanently places all fentanyl-related substances, including synthetic analogs, under Schedule I of the Controlled Substances Act.
  • Anyone convicted of trafficking a fentanyl-related substance will face a mandatory minimum prison term of 10 years.
  • The law closes regulatory loopholes that previously allowed underground chemists to tweak fentanyl’s molecular structure to evade federal controls.
  • Researchers gain streamlined access to study controlled substances through single registrations, waived inspections in certain cases and limited small-scale manufacturing permissions.