The Brief Trump signed the HALT Fentanyl Act on Wednesday, reclassifying it as schedule 1 drug. President Donald Trump signed HALT Fentanyl Act on Wednesday, reclassifying it as a Schedule 1 drug. What they're saying:Trump said the bill will toughen prison sentences by permanently reclassifying illegal, fentanyl-related drugs. Why you should care:According to the U.S. Drug Enforcement Administration, fentanyl is a potent synthetic opioid drug approved by the Food and Drug Administration for use as an analgesic (pain relief) and anesthetic. Called the HALT Fentanyl Act, the bill would permanently place all copycat versions of fentanyl — alterations of the drug that are often sold by traffickers — on the U.S. Drug Enforcement Administration’s list of most dangerous drugs, known as Schedule 1.