The amended Act on Registration and Evaluation, etc of Chemical Substances in South Korea (also known as K-REACH) was promulgated in March 2018 and will come into force on 1 Jan 2019. The articles present on the below links give you an overview of the amended K-REACH regulation and summarize what the main changes are. We will also compare it with EU REACH regulation.
Further information about K-REACH can be found here
http://www.cirs-reach.com/Uploads/file/20160224/20160224091121_73407.pdf