United Nations (UN) · treaty
Convention on psychotropic substances (21 February 1971)
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Treaty status and participants
Participants
parties: 184; signatories: 34 (as at Sep 30, 2026)
Place and date of signature
Vienna, 21 February 1971
Entry into force
16 August 1976, in accordance with article 26(1).
Registration
16 August 1976, No. 14956
Text
United Nations, Treaty Series , vol. 1019, p. 175 (including procès-verbal of rectification of the English and Russian authentic texts).
UN Depositary
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The Convention was adopted and opened for signature by the United Nations Conference for the Adoption of a Protocol on Psychotropic Substances, held at Vienna from 11 January to 21 February 1971. The Conference was convened pursuant to resolution 1474 (XLVIII) of 24 March 1970 of the Economic and Social Council of the United Nations.
Key facts
Organisation
United Nations (UN)
Document type
treaty
Country
United Nations
Source
National legislation