The project aims to analyse Taiwan's border management policy on chemical substances, and how the mechanism of cooperation among different governmental authorities can be improved. It starts from the introduction of the project in chapter 1. Chapter 2 analyses the border management mechinism of certain multilateral, regional and bilateral norms to know how chemicals is delivered at international level. Chapter 3 explores the border management mechanism in the EU, United States, Australia, New Zealand, China and Malyasia. Chapter 4 turns to analyse the border management mechanism in Taiwan and to see how chemicals can be properly managed among different authorities concerned. Chapter 5 concludes that the border management measures of chemicals should includes registration, arrpoval and international notification systems. In the case of Taiwan, the approval system of chemicals needs to be thoroughly reviewed by the authorities concerned to avoid the possible management loopholes; the registration system should be consistant to the international usage, considering the norms of international trade with a view to preventing from trade disputes; the information platforms in different authorities concerned should be integrated more deeply to trace the flow of chemicals on the after-market stage; on the issue of international notification, the Toxic and Chemical Substances Bureau（TCSB） of the EPA should establish a formal cross-agency mechanism to make notification and respond the comments under the WTO-TBT agreement; and on the issue of PIC procedure, due to the fact that Taiwan cannot participate in the UN system but has strong need to cooperate with other countries, TCSB should turn to streghten the bilateral cooperation mechanism with countries which occupy a major market share of imports and exports of chemical with Taiwan.

border management, chemicals management, interagency mechanism