106 priority existing chemical substances will be subject to Taiwan’s standard registration according to the draft revisions to the “Regulation of New and Existing Chemical Substances Registration”(新化学物质及既有化学物质资料登录办法) published on Mar 27th, 2018. Taiwan EPA held a briefing session on supporting measures for registration of existing chemicals on Aug 22, 2018 with the aim of helping stakeholders understand standard registration measures before implementation of the new regulation, and to aid in timely preparation of documentation and data. The meeting was attended by both enterprises and industry representatives. Key takeaways from the meeting include: