D'abord la Convention unique sur les stupéfiants de 1961, ensuite la Convention de 1971 sur les substances psychotropes, qui porte sur les hallucinogènes et les stimulants synthétiques, puis le protocole de 1972 modifiant certains aspects de la Convention unique de 1961 et de la convention de 1971, et enfin la Convention contre le trafic illicite de stupéfiants et de substances psychotropes, qui date de 1988.
There is the Single Convention on Narcotic Drugs of 1961, the 1971 Convention on Psychotropic Substances which deals with synthetic hallucinogens and stimulants, the 1972 protocol which amended certain aspects of the Single Convention of 1961 and the 1971 convention, and finally there is the 1988 Convention on Prohibition Against Trafficking.