The international drug control conventions, also known as the United Nations drug control conventions, are three related, non self-executing treaties that establish an international legal framework for drug control. They serve to maintain a classification system of controlled substances including psychoactive drugs and precursors, to ensure the regulated supply of those substances useful for medical and scientific purposes, and to prevent other uses. Ratification is near universal among UN member countries.
The treaties are the Single Convention on Narcotic Drugs (1961; amended in 1972), the Convention on Psychotropic Substances (1971), and the UN Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances (1988). There are also other minor treaties addressing drugs, such as the Convention on the Rights of the Child or the UN Convention on the Law of the Sea.
Conventions The three treaties are complementary and mutually supportive. They serve to maintain a classification system of controlled substances, including psychoactive drugs and plants, and chemical precursors, to ensure the regulated supply of those substances determined to be useful for medical and scientific purposes, and to otherwise prevent production, distribution and use, with some limited exceptions and exemptions. Adoption of the treaties is near universal among the UN's 193 member countries.
The treaties are not self-executing, they operate indirectly by providing a skeleton template of provisions that have to be fleshed out in the domestic law of each member country. Thus each country has a degree of flexibility in conforming treaty obligations to their own socio-cultural, political and economic realities; this latitude has been described as a "vast grey area... subject to judicial interpretation and political contestation."
The cornerstone Single Convention on Narcotic Drugs (as amended in 1972) integrated into a single framework nine pre-existing international drug treaties dating back to 1912, and extended the control system, including to the cultivation of plants used for narcotic drugs. The subsequent two conventions addressed new developments and concerns; some 340 substances in total are listed across the three. For each of the conventions, an official Commentary provides comprehensive legal analysis to assist with interpretation.
Single Convention on Narcotic Drugs
The Single Convention on Narcotic Drugs, 1961 was adopted in 1961, entered into force on December 13, 1964, and, as amended by the 1972 Protocol; has been joined by 186 countries as of 2022. According to the United Nations Office on Drugs and Crime (UNODC), the Single Convention aims to "combat drug abuse" by limiting "the possession, use, trade in, distribution, import, export, manufacture and production of drugs exclusively to medical and scientific purposes" and through "international cooperation to deter and discourage drug traffickers". The Single Convention classifies drugs in four schedules; Schedules I and IV are the most prohibitive (IV is a subset of I) and included opium, heroin, cocaine and cannabis (in 2020, cannabis was removed from the most restrictive Schedule IV).
Convention on Psychotropic Substances
The Convention on Psychotropic Substances was adopted in 1971, entered into force on August 16, 1976, has been joined by 184 countries. It addresses a number of synthetic psychotropic substances, such as amphetamines, barbiturates, and LSD, that had become widely used since World War II, and especially in the 1960s, and were generally not regulated internationally. According to the UNODC, the convention "responded to the diversification and expansion of the spectrum of drugs of abuse and introduced controls over a number of synthetic drugs according to their abuse potential on the one hand and their therapeutic value on the other". The convention classifies the drugs it concerns in a four-schedule system different in the details from the Single Convention schedules.
Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances
The United Nations Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances was adopted in 1988, entered into force on November 11, 1990, has been joined by 191 countries. The convention addressed concern over the rapid growth in international drug trafficking. "The 1988 Convention came about in the framework of the political, historical and sociological context of the 1970s and 1980s, leading to the adoption of more repressive measures. The increase in demand for cannabis, cocaine and heroin for non-medical purposes mainly in the developed world gave rise to large-scale illicit production in the countries where these plants had traditionally been grown, in order to supply the market. International drug trafficking quickly became a multi-billion-dollar business controlled by criminal groups. This rapid expansion of the illicit drug trade became the justification for intensifying a battle that soon became an all-out war on drugs." According to the UNODC, it "provides comprehensive measures against drug trafficking, including provisions against money laundering and the diversion of precursor chemicals". The treaty essentially "criminalized the entire drug market chain, from cultivation/production to shipment, sale, and possession".
Philosophy, origins, architects The international drug conventions occurred within the newly formed United Nations, as the UN assumed the duties of the retired League of Nations after WWII. The preamble to the Single Convention establishes the overarching concern of the drug treaties as "the health and welfare of mankind". It recognizes "narcotic drugs" as "indispensable for the relief of pain and suffering" and that they "must be made [available] for such purposes". It also recognizes addiction to narcotics as "a serious evil for the individual and is fraught with social and economic danger to mankind" and that there is a duty of nations to "prevent and combat this evil".
The conventions offer a degree of interpretative flexibility within a framework of control through prohibition.: "Although the three Conventions do leave member countries some leeway to craft drug control strategies shaped to their particular socio-cultural, political and economic realities, this flexibility is clearly limited by an overarching structure based on prohibition and criminalization." Controlled substances used for medical and scientific purposes are regulated, while other uses are prohibited; "each of the treaties encourages – and often requires – that member countries put in place strong domestic penal provisions."
A report by the Library of Parliament for the government of Canada on the history of the conventions identifies four themes as critical influences on the nature of the treaties: prohibition, United States involvement, external influences, and the outsized impact of certain powerful individuals. Prohibition of illicit use, "as opposed to regulation", has been the central philosophy. The US has been "the key player in most multilateral negotiations" and the prohibitionist approach "derives largely from U.S. policy – the various forms, past and present, of the U.S. 'war on drugs. "Although it is ultimately a multilateral construct, the shape and operation of the current treaty system is very much a result of American endeavour. The prohibitionist norm at the heart of the regime owes much to the successful internationalisation of the United States' domestic approach – namely, that the recreational use of certain substances is morally wrong. Furthermore, the near universal levels adherence to the regime cannot be divorced from Washington's support. States obviously perceive benefits from regime membership." Outside interests, including "racism, fear, economic interests, domestic and international politics, global trade, domestic protectionism, war, arms control initiatives, the Cold War, development aid, and various corporate agendas", significantly shaped the conventions. "Introduction", also William B. McAllister: "...the primary goal of the international drug control regime has never been to eliminate illicit drug use. The most important objective of the delegates to the 1961 and 1971 conventions was to protect sundry economic, social, cultural, religious, and/or geopolitical interests." William B. McAllister, "Reflections On a Century of International Drug Control": "... the regulatory system quickly became dominated by those concerned with issues such as promoting the sales of what we now call the 'ethical' drug industry; eliminating manufacturers producing in illicit ways from competing in the licit market; providing exceptions to maintain military stockpiles; promoting research and development; taking account of religious sensibilities; making allowances for 'backward' regions of the world that would have no medicinals whatsoever without recourse to drugs considered inappropriate in a western setting; and not interfering with imperial revenues in those colonies that maintained state-run opium monopolies." And certain individuals played an outsized role in forming the policies: "while in positions of power at opportune moments, their beliefs, morals, ambitions and single-minded determination enabled them to exert exceptional influence over the shape of the international drug control regime." The efforts of US drug control commissioner Harry Anslinger and his Canadian counterpart and policy ally, Charles Henry Ludovic Sharman, are particularly notable. William B. McAllister, "Reflections On a Century of International Drug Control": "Individual contributions – both positive and negative – matter more than we often appreciate. ... A careful reading of the record also reveals unsung heroes. ... Individual ambition has also had a profound impact on the operation and direction of the system. ... The configuration of the system, including what may strike observers as its nonsensical or counterproductive aspects, is better comprehended if one understands that certain features can be traced back to personal logics."
While many scholars view the drug conventions as a US-engineered prohibitionist regime, others offer more nuanced analyses. Among them, John Collins finds that, though "a plurality of the policy literature maintains this narrative, the historiography has since moved on." He suggests that the conventions emerged from complex multilateral negotiations, "a triangulation between various state interests and blocs." Sebastien Scheerer finds that global drug policy "rests on a highly coercive consensus masterminded by ... the United States", yet the US relied on "other governments' prejudices, plans and interests" in drug prohibition; America may have to "share the credit (and blame)" with other parties. James Windle notes that "prohibitions were enforced in Asian countries while the United States and Western Europe were routinely trading opium"; the "concept of prohibition being a distinctly American construct is, therefore, flawed". Collins concludes, "The United States was a key participant in the [International Drug Control System], albeit frequently an absent one, but hardly the sole force."
Administrative structure
Four entities are given authority under the drug conventions: the Commission on Narcotic Drugs (CND), the UN Office on Drugs and Crime (UNODC), the International Narcotics Control Board (INCB), and the World Health Organization (WHO).