the legislation which amends the controlled drugs and substances act establishes specific criteria that must be met by applicants seeking an exemption for activities involving illicit substances at a supervised consumption site in order for the exemption request to be considered by the ministry of health canada currently has one supervised consumption site but additional applications for the establishment of drug consumption rooms have been received by health canada and are currently under consideration in june the supreme court of canada issued its judgement in the r v smith case relating to the definition of marihuana in the country s medical cannabis programme which until then limited the lawful use of cannabis to dried herb