The National Institute of Environmental Research (NIER) in South Korea updates ‘the Regulations on preparation methods for registration application dossier and hazard review methods’ under the Act on Registration and Evaluation of Chemicals (K-REACH) on September 30^th, 2022.

The main updates on new substances are as follows:

• Addition of definitions of hazard review methods: In vivo somatic chromosome aberration test, In vitro chromosome aberration test, Non-test data, Read-across, WoE (Weight of Evidence)
• Addition of non-test data and its requirements: QSAR data, Read-across, WoE
• Addition of methods to submit opinions to the president of the NIER if a person who received the result of hazard review disagrees with it (Article 35)
• Addition and specification of exemption conditions for each test category

The amendment came into effect immediately. However, the amendment of the Article 35 will come into effect from October 15^th, 2022.