13. Encourages States to establish or strengthen mechanisms and procedures to ensure strict control of substances used to manufacture illicit drugs, to support international operations aimed at preventing their diversion, including through coordination and cooperation between regulatory and enforcement services involved in precursor control, in cooperation with the International Narcotics Control Board, and to counter smuggling networks effectively, particularly in source and transit countries, by conducting, inter alia, backtracking law enforcement investigations;
13. 鼓励各国建立或加强机制和程序，以确保严格管制用于制造非法药物的药物，支持国际行动，预防此种药物的转用，包括在负责前体管制的管理和执行机关之间进行协调与合作，同国际麻醉品管制局合作，并有效打击走私网络，特别是在来源国和过境国打击这些网络，为此采取的措施除其他外，包括在执法时采取循迹追踪调查办法；