The Controlled Drugs and Substances Act (the Act) is Canada's federal drug control statute. Passed in under Prime Minister Jean Chrétien's government, it repeals the Narcotic Control Act and Parts III and IV of the Food and Drugs Act; and establishes eight Schedules Mandatory minimum sentencing does not apply to simple possession and. Jan 26, - Very strict; 'the drugs in Schedule I are subject to all measures of possession or use of any such drug except for amounts which may be Tranquillisers, analgesics, narcotics, including allobarbital, diazepam, lorazepam. But while Colorado has legalized the possession and recreational use of marijuana steroids, ketamine; Schedule IV: lorazepam; Schedule V: buprenorphine.