RESOLUTIONS ADOPTED ON THE REPORTS OF THE THIRD COMMITTEE. 3443. 1971 Convention on Psychotropic Substances. The General Assembly, Recalling its resolution 3147 (XXVIII) of 14 December 1973, in which it stressed the importance to international drug control of universal accession to the Single Convention on Narcotic Drugs, 1961, [1] the 1971 ...