9. Encourages States to establish or strengthen mechanisms and procedures to ensure strict control of chemical precursors used to manufacture illicit drugs, to support international operations aimed at preventing the diversion of chemical precursors, 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, inter alia, by conducting backtracking law enforcement investigations;
9. 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化学前体，支持国际行动，预防化学前体被转用，包括在负责前体管制的管理和执行机关间进行协调与合作，同国际麻醉品管制局密切合作，并有效制止走私网络，特别是在执法时采取循迹追踪调查办法；