lesser degree of control for the various substances and compounds. Opium smoking and eating, coca leaf chewing, cannabis resin smoking, and the non-medical use of cannabis are prohibited. The 1972 Protocol to this Convention calls for increased efforts to prevent illicit production of, traffic in, and use of narcotics as defined by the convention, while highlighting the need to provide treatment and rehabilitation services to drug abusers. INCB Yellow List This document contains the current list of narcotic drugs under international control and additional information to assist governments in filling in the International Narcotics Control Board questionnaires related to narcotic drugs, namely, form A, form B and form C. In medicine, a chemical agent that induces stupor, coma, or insensibility to pain (also called narcotic analgesic). In the context of international drug control, "narcotic drug" means any drug defined as such under the 1961 Convention. World Health Organization Studies on the definition of counterfeit medicines in WHO member states 4. Assessment of the definitions of counterfeit medicines (or equivalent) in the Member States 4.2 The nature of legal definitions: the unambiguity requirement In order to avoid room for difference in interpretation, lawmakers (codificators) sometimes deviate from etymological (definiendum plus definientia) definitions. In doing so, they approach the term from the law enforcement point of view. The best example is the definition of narcotics in the United Nations Conventions. Narcotics are substances and preparations that induce drowsiness, sleep, stupor, insensibility, etc., and that these effects (and their rate) are complicated to prove, e.g. during litigation. Thus, the legal definition of a narcotic is whether or not it is listed on the Schedules of the convention. If it is on some of the Schedules, it is narcotic. Lexicon of alcohol and drug terms published by the World Health Organization The term usually refers to opiates or opioids, which are called narcotic analgesics. In common parlance and legal usage, it is often used imprecisely to mean illicit drugs, irrespective of their pharmacology. For example, narcotics control legislation in Canada, the US, and certain other countries includes cocaine and cannabis as well as opioids (see also conventions, international drug). Because of this variation in usage, the term is best replaced by one with a more specific meaning (e.g. opioid). United States Section 1300.01 Definitions relating to controlled substances: A 1984 amendment to 21 USC (Controlled Substances Act), Section 802 expanded and revised definition of