The deadline for nominating chemicals into Thailand’s 1st version of the national chemical inventory through Annex 5.6 notification is Dec 31st, 2016. As the deadline approaches, Thailand Department of Industrial Works (DIW) has received a huge amount of queries regarding notification. One of the most frequently asked question relates to the protection of confidential business information (CBI). In those inquiries, many manufacturers provided incomplete data, which caused repeated check and verification by DIW and resulted in very slow progress. To make things clear for the enterprises and save time for both industry and the authority, DIW issued an announcement and further specified some requirements related to CBI procedure as follows. (See also: CBI procedure step by step)