This report, prepared by the foreign law specialists and analysts of the Law Library of Congress, provides a review of laws adopted in Argentina, Australia, Brazil, Canada, Costa Rica, the Czech Republic, Germany, Ireland, Israel, Mexico, the Netherlands, New Zealand, Norway, Portugal, South Africa, and Uruguay with regard to legalization, decriminalization, or other forms of regulation of narcotics and other psychoactive substances. Individual country surveys included in this study demonstrate varied approaches to the problem of prosecuting drug use, possession, manufacturing, purchase, and sale.