(c) To further international cooperation in the implementation of article 12, on control of precursors, of the United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances of 1988,See Official Records of the United Nations Conference for the Adoption of a Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances, Vienna, 25 November-20 December 1988, vol. I (United Nations publication, Sales No. E.94.XI.5). in close cooperation with the International Narcotics Control Board, and the measures agreed upon at the twentieth special session;See resolution S-20/4 B.
(c) 在国际麻醉品管制局的密切合作下，在执行1988年《联合国禁止非法贩运麻醉药品和精神药物公约》见《联合国关于通过〈禁止非法贩运麻醉药品和精神药物公约〉的会议正式记录，1988年11月25日至12月20日，维也纳》，第一卷（联合国出版物，出售品编号：C.94.XI.5）。 关于前体管制的第12条和大会第二十届特别会议商定的措施见S-20/4 B号决议。 方面进一步开展国际合作；