The status of Cannabis in international law refers to the series of dispositions in international law affecting States' sovereignty in relation to the Cannabis plant genus, to a variety of "cannabis products" derived from the plant, or to their synthetic analogs.
The earliest treaties applying to cannabis were bilateral treaties related to trade in industrial hemp products. In the 19th century, early Intellectual property treaties applied to cannabis such as the 1883 Paris Convention for the Protection of Industrial Property or the 1891 Madrid Agreement Concerning the International Registration of Marks. They are still in force today, although they have been supplemented by other international legal instruments.
The first two references to cannabis in international treaties occurred in 1925: in the Second Pharmacopoea Convention (Brussels Agreement) [1] and in the Second Opium Convention (Geneva). This addition was not an initiative of the United States [2] [3] but rather the result of "a triangulation between various State interests and blocs" [4] (Egypt, South Africa, and Italy). [5] [6] From 1961 to 2020, cannabis and haschich were listed in Schedule IV, the most restrictive category of the 1961 Single Convention on Narcotic Drugs, the main treaty establishing legal dispositions on cannabis in international law. It was removed in 2020 after a scientific assessment by the World Health Organization and a narrow vote at the United Nations drugs commission.
During the second half of the 20th century, a number of treaties were adopted with some disposition affecting directly or indirectly the plant genus Cannabis and/or cannabis products. This is the case in particular for international human rights law, treaties on plant breeders' rights, farmers' rights, or biological diversity, or aspects such as international trade or intellectual property law.
The first international treaty related to drugs concerned alcohol, and did not include cannabis. In following years, other treaties were adopted on opium and cocaine. It is in one of these that the first mention of "Indian hemp" appeared, although it did not imply any obligations for States.
The first international treaty incorporating cannabis in mandatory international drug control was the International Convention relating to Dangerous Drugs (also known as Second Geneva Opium Convention) in 1925.
In 1934, Egypt submitted a complaint to the International Office of Public Hygiene against five proprietary medicines sold by Parke-Davis, then the largest international pharmaceutical corporation. The complaint led to an assessment of the five preparations and of Extractum Cannabis ("Indian hemp extract") in 1935 and 1938, and to a series of minor changes in international cannabis control in 1939, which were left without effect due to the outbreak of World War II. [7]
In 1961, the Single Convention terminated and replaced all pre-existing drug control treaties, but only the 1925 Opium Convention included dispositions related to the plant. [8]
The Single Convention on Narcotic Drugs, 1961 makes a distinction between medical and scientific uses of drugs, and other uses. Nations are allowed to permit medical use of drugs, but the status of recreational use is unclear, and does not seem contemplated in Article 4:
The "provisions of this Convention" to which the limitation is subject, refers to three specific exemptions for traditional non-medical uses (article 49), industrial non-medical uses (article 2 paragraph 9) and the use of coca leaf as a flavoring agent (article 27). [9] [10]
The Single Convention is the main international treaty related to Cannabis sativa L. and its products. In its Article 1, the Single Convention defines "cannabis" as the "flowering or fruiting tops of the cannabis plant (excluding the seeds and leaves when not accompanied by the tops) from which the resin has not been extracted, by whatever name they may be designated;" while "cannabis resin" is defined as "the separated resin, whether crude or purified, obtained from the cannabis plant." At the adoption of the Convention in 1961, cannabis and cannabis resin were listed in both Schedule I and Schedule IV. [11]
Schedule I includes substances that are highly addictive and highly liable to substance use disorders, or that are convertible into controlled drugs, while Schedule IV lists "certain drugs listed in Schedule I that are highly addictive and highly liable to abuse and rarely used in medical practice." [12] Schedule IV is a "stricter subset of schedule I, that specifies extra control measures." [13]
Since the adoption of the United Nations' Single Convention on Narcotic Drugs in 1961, [14] cannabis and cannabis resin had been listed in Schedule IV, the most tightly restricted category, reserved for drugs that are "particularly liable to abuse and to produce ill effects" and whose "liability is not offset by substantial therapeutic advantages." [15]
Its initial placement in this category was not based on science, and no international scientific assessment had been undertaken until 2018, [16] when the World Health Organization initiated it, leading to the scheduling recommendation. [17] [18]
The removal of cannabis and cannabis resin from that Schedule entered into force in 2021, [19] after a vote on 2 December 2020 by the UN Commission on narcotic drugs. [20] Since 2021, cannabis and cannabis resin remain listed in Schedule I of the Single Convention, alongside extracts and tinctures of cannabis. [21]
According to the WHO, the withdrawal of cannabis and cannabis resin from Schedule IV of the Convention was meant to remove "some international procedural barriers to research and development of cannabis- based medical products according to national regulatory frameworks." [22] Some commentators argue that, by accepting only the withdrawal from Schedule IV, and not the other ECDD recommendations, the Commission on Narcotic Drugs "might actually be perpetuating the model initiated in the US state of California in 1996 and followed by dozens of other jurisdictions: that of sui generis , locally-oriented access programs, reliant on small- and medium-scale businesses and compound botanical medicines." [23]
After the vote, a number of analysts continued to follow these views, arguing that the decision taken would have little legal consequences, if any. [24] [25] Others suggested that the change in legal status could facilitate access and availability to medical cannabis, [26] or even legitimate the legalization of non-medical cannabis under Article 2(9) of the Single Convention. [10]
The "cannabis plant" is defined as "any plant of the genus Cannabis" but has never been listed in any Schedule. Only cannabis and cannabis resin are listed in the Schedules of the Single Conventions. Since "drugs" are defined as those substances listed in the Schedules, "cannabis plant" is not considered a drug according to the Single Convention. [27]
The "leaves" of cannabis plants are in a similar case: while it is not listed in the Schedules, and is therefore not a "drug" in the meaning of the Single Convention, "cannabis leaves" are subject to some light measures of control under Article 28 of the convention. [28]
Since only "cannabis," "cannabis resin," and "extracts and tinctures of cannabis" are listed in the Schedules of the Single Convention, some analysts and governments consider that cannabidiol (CBD) is not a "narcotic drug" in the meaning of the Single Convention, [29] [30] while others such as the International Narcotics Control Board consider that actual CBD products are in fact extracts of cannabis and should therefore be considered as Scheduled. [31]
delta-9-THC (tetrahydrocannabinol, or dronabinol) is not listed in the Schedules of the Single Convention but in the Schedules of a distinct treaty: the Convention on Psychotropic Substances of 1971.
It has its own scheduling history: delta-9-THC was downgraded from Schedule I to Schedule II of the 1971 Convention in 1991, while other isomers of THC (such as delta-8-THC, delta-10-THC, etc.) remained in Schedule I. [13] [32]
The Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances requires its Parties to establish criminal penalties for the activities related to drugs that are contrary to the 1961 Single Convention or the 1971 Convention.
Some barriers to cannabis reform are the result of the international drug control structure, while others are related to political circumstances.
The international drug control system is overseen by the United Nations General Assembly and UN Economic and Social Council. The Single Convention grants the Commission on Narcotic Drugs the power to reschedule controlled substances. Cindy Fazey, the former Chief of Demand Reduction for the United Nations Drug Control Programme, said: [33]
To modify cannabis regulations at the international level, a conference to adopt amendments in accordance with Article 47 of the Single Convention would be needed. This has been done once, with the 1972 Protocol Amending the Single Convention on Narcotic Drugs;[ citation needed ] as Fazey notes, this process is fraught with bureaucratic obstacles.
In reference to situations where the Commission on Narcotic Drugs proposes changing the scheduling of any drug, 21 U.S.C. § 811(d)(2)(B) of The U.S. Controlled Substances Act gives the Secretary of Health and Human Services the power to issue recommendations that are binding on the U.S. representative in international discussions and negotiations:
The U.S Department of Justice Drug Enforcement Administration (DEA) denied in June 2011 a petition that proposed rescheduling of cannabis and enclosed a long explanation for the denial. [34]
On 5 March 2013, the International Narcotics Control Board (INCB) urged the United States government to challenge the legalization of marijuana for recreational use in Colorado and Washington. INCB President, Raymond Yans stated that these state laws violate international drug treaties, namely the United Nations Single Convention on Narcotic Drugs of 1961. The Office of the US Attorney General said in December 2012 that regardless of any changes in state law, growing, selling or possessing any amount of marijuana remained illegal under federal law. Raymond Yans called the statement "good but insufficient" and said he hoped that the issue would soon be addressed by the US Government in line with the international drug control treaties. [35]
A number of non-government organizations support the prohibition of cannabis as a recreational drug, like the World Federation Against Drugs. [36]
According to some analysts, a country wanting to legalize marijuana would have to withdraw from the treaties to maintain compliance with its international legal obligations. [37] The issue has become more pronounced with the legalization of recreational cannabis in Uruguay in 2013 and Canada in 2018, both countries interpreting that they are in direct violation of the Conventions due to their legalization of commercial cannabis sale and production. [38] Withdrawal is an option that every signatory has a right to do.
Other analysts support the possibility to legalize cannabis in compliance with the treaties, basing the system on Article 2(9) of the Single Convention on narcotic drugs, allowing licit uses of drugs for "other than medical and scientific purposes." [10]
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International intellectual property treaties, most of which are managed by the World Intellectual Property Organization (WIPO). Treaties in all classical areas of international law (marks, patents, copyright) generally apply to Cannabis, not containing any provision excluding narcotic drugs from their scope
For instance the WIPO's Patent Cooperation Treaty serves to file international patent registration for cannabis-related inventions, and the Madrid System applies for cannabis-related trademarks. [39]
Related to the Madrid System are the WIPO treaties on Appellations of Origin (AO) and on Geographical Indications (GI). Two treaties, the Lisbon Agreement on the Protection of Appellations of Origin and their International Registration (1958) and its 2015 amendment focused on GIs (the Geneva Act of the Lisbon Agreement) are relevant to cannabis, [40] although they have not been used as of 2024.
In addition, novel areas of international law such as plant breeders' rights under the International Union for the Protection of New Varieties of Plants (UPOV) are also applying to Cannabis, [41] with the UPOV having issued specific guidance for Cannabis breeders. [42]
Researchers have noted that "conventional [intellectual property rights] (patents and [plant breeders' rights]) work in favor of modern-day research in the developed world and offer little or no protection to the indigenous stakeholders." [39]
The dispositions of environmental treaties such as the Plant Treaty and the Nagoya Protocol in part overlap with international intellectual property law, providing at times dispositions aimed at protecting Indigenous peoples and local communities. The Plant Treaty contains provisions on Farmers' rights, which have been seen as conflicting with UPOV in some instances. The Nagoya protocol, which includes dispositions to prevent the misappropriation of genetic resources (Cannabis strains) and associated traditional knowledge by third parties, and their intellectual property registration without due process or free, prior, and informed consent and mandates measures for the fair and equitable access and benefit sharing, applies to cannabis. [39] [43]
Recently, the WIPO Treaty on Intellectual Property, Genetic Resources and Associated Traditional Knowledge (GRATK Treaty) was adopted, seen by activists as a landmark agreement in the prevention of unethical bioprospecting and the fight against biopiracy. [44] In its preamble, the GRATK Treaty mentions:
Acknowledging the United Nations Declaration on the Rights of Indigenous Peoples (UNDRIP) and commitment to achieving the ends set forth therein, and Affirming that best efforts should be made to include Indigenous Peoples and local communities, as applicable, in implementing this Treaty [45]
In relation to this, it had been pointed out that the non-binding UNDRIP but also the UN Declaration on the Rights of Peasants (UNDROP) are relevant to the interpretation of States' obligations with regards to traditional and rural cannabis farming communities. [46]
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Although Cannabis is not listed in the multilateral system established by the International Treaty on Plant Genetic Resources for Food and Agriculture, its general provisions apply to the plant, including in relation to farmers' rights.
The Convention on Biological Diversity also contains provisions applying to all forms of life and all plants considered "genetic resources". Its Nagoya Protocol contains more action-oriented provisions related to the sustainable use of biodiversity and access and benefit-sharing mechanisms.
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The term narcotic originally referred medically to any psychoactive compound with numbing or paralyzing properties. In the United States, it has since become associated with opiates and opioids, commonly morphine and heroin, as well as derivatives of many of the compounds found within raw opium latex. The primary three are morphine, codeine, and thebaine.
In the United States, the removal of cannabis from Schedule I of the Controlled Substances Act, the category reserved for drugs that have "no currently accepted medical use", is a proposed legal and administrative change in cannabis-related law at the federal level. After being proposed repeatedly since 1972, the U.S. Department of Justice initiated 2024 rulemaking to reschedule cannabis to Schedule III of the Controlled Substances Act. The majority of 2024 public comments supported descheduling, decriminalizing, or legalizing marijuana at the federal level.
The Single Convention on Narcotic Drugs, 1961 is a United Nations treaty that controls activities of specific narcotic drugs and lays down a system of regulations for their medical and scientific uses; it also establishes the International Narcotics Control Board.
The International Narcotics Control Board (INCB) is an independent treaty body, one of the four treaty-mandated bodies under international drug control law.
The expression International Opium Convention refers either to the first International Opium Convention signed at The Hague in 1912, or to the second International Opium Convention signed at Geneva in 1925.
The Commission on Narcotic Drugs (CND) is one of the functional commissions of the United Nations' Economic and Social Council (ECOSOC), and is the central drug policy-making body within the United Nations System. The CND also has important mandates under the three international drug control conventions, alongside the three other treaty-mandated bodies: United Nations Office on Drugs and Crime, World Health Organization, and International Narcotics Control Board.
A drug policy is the policy regarding the control and regulation of psychoactive substances, particularly those that are addictive or cause physical and mental dependence. While drug policies are generally implemented by governments, entities at all levels may have specific policies related to drugs.
Veterans for Medical Cannabis Access (VMCA), which was founded as Veterans for Medical Marijuana Access (VMMA) reflecting the pejorative word "marijuana", is an Elliston, Virginia-based non-profit service organization designed to assist American veterans who wish to be able to use marijuana for medical purposes with a doctor's recommendation. VMCA works towards the freedom for veterans to discuss the medical use of marijuana with their doctors without the risk of reprisal.
The International Office of Public Hygiene (OIPH), also known by its French name as the Office International d'Hygiène Publique (OIHP), was an international organization founded 9 December 1907 and based in Paris, France. It merged into the World Health Organization in 1946.
The Convention on Psychotropic Substances of 1971 is a United Nations treaty designed to control psychoactive drugs such as amphetamine-type stimulants, barbiturates, benzodiazepines, and psychedelics signed in Vienna, Austria on 21 February 1971. The Single Convention on Narcotic Drugs of 1961 did not ban the many newly discovered psychotropics, since its scope was limited to drugs with cannabis, coca and opium-like effects.
Dronabinol is the generic name for the molecule of delta-9-tetrahydrocannabinol in the pharmaceutical context.
The list includes and details significant events that occurred in the global history of national-level implementations of, or changes made to, laws surrounding the use, sale, or production of the psychoactive drug cannabis.
The history of cannabis and its usage by humans dates back to at least the third millennium BC in written history, and possibly as far back as the Pre-Pottery Neolithic B based on archaeological evidence. For millennia, the plant has been valued for its use for fiber and rope, as food and medicine, and for its psychoactive properties for religious and recreational use.
For Alternative Approaches to Addiction, Think & do tank is an international non-profit organization working on drug policy, created in 2015 and based in Paris, France.
Michael Alan Krawitz is a US Air force veteran, Executive Director of the non-profit Veterans for Medical Cannabis Access, researcher on the history of medical cannabis, and international advocate for cannabis policy reform with FAAAT think & do tank and the International Association for Cannabinoid Medicines.
In international law, a treaty body is an internationally established body of independent experts that monitor how States party to a particular international legal instrument are implementing their obligations under it.
Digital sequence information (DSI) is a placeholder term used in international policy fora, particularly the Convention on Biological Diversity (CBD), to refer to data derived from dematerialized genetic resources (GR).
The removal of cannabis and cannabis resin from Schedule IV of the Single Convention on narcotic drugs, 1961 is a change in international law that took place in 2021, on the basis of a scientific assessment by the World Health Organization.
The Horizontal Working Party on Drugs is a Council Working Party, a preparatory body of the Council of the European Union established in 1997, responsible for the lead and management of the work of the council and of the European Union (EU) on drug policy.
The United Nations drug control conventions, also known as the internationaldrug 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. They act as the legal underpinning of the US-led global campaign against illicit drugs known as the war on drugs. Adoption is near universal among UN member states.
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