The Ministry of Environment (MoE) in South Korea added the provision to expand the definition of existing substances on Aug 12th, 2021.
According to K-REACH, existing substances are those listed in the inventory. The definition of existing substances has been expanded to include various forms of substances including:
It also includes those chemical substances mentioned in the attachment (in Korean).
This expansion is due to the definition of existing substances now includes existing chemicals' reaction products and isomers. Registrants are recommended to check if their substances are considered as existing substances after the expansion of the definitions under K-REACH. This update came into effect immediately.