translate English to French: Report of the International Narcotics Control Board (article 15 of the Single Convention on Narcotic Drugs, 1961; article 18 of the Convention on Psychotropic Substances, 1971; and article 23 of the 1988 United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances)
Rapport de l'Organe international de contrôle des stupéfiants (art. 15 de la Convention unique sur les stupéfiants de 1961; art.  18 de la Convention sur les substances psychotropes de 1971; et art.  23 de la Convention des Nations Unies de 1988 contre le trafic illicite de stupéfiants et de substances psychotropes)