Convention on Psychotropic Substances of 1971 Published: June 14, 2022 Courtney Rhoads Twitter Facebook LinkedIn E-mail Comment An international treaty which requires signatory countries to harmonize their internal laws for controlling many psychoactive (including cannabis) substances. Share Twitter Facebook LinkedIn E-mail Comment Courtney Rhoads Read more posts [email protected] Your Name(Required) First Last Your Email(Required) Message(Required) Δ