Single Convention on Narcotic Drugs
The Single Convention on Narcotic Drugs, 1961 is an international 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.
Article 44 of the Convention terminated a number of previous drug control treaties.
Governments of opium-producing Parties are required to "purchase and take physical possession of such crops as soon as possible" after harvest to prevent diversion into the illicit market.
The Single Convention was the first international treaty to establish a narrow system of drug control for cannabis.
Articles 23 and 28 of the Single Convention on Narcotic Drugs require cannabis-producing nations to have a government agency that controls cultivation.
A treaty is a formal, legally binding written contract between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal persons.
The Egyptian–Hittite peace treaty, on display at the Istanbul Archaeology Museum, is believed to be the earliest example of any written international agreement of any kind.
The signing of the Geneva Conventions in 1949. A country's signature, through plenipotentiaries with "full power" to conclude a treaty, is often sufficient to manifest an intention to be bound by the treaty.
The International Court of Justice is often called upon to aid in the interpretation or implementation of treaties.
A treaty delegation of the Mdewakanton and Wahpekute indigenous tribes to Washington, D.C. (1858)