South Korea－Requirements on Ballast water management in reaction to release of treated water from Fukushima We have received the information regarding the subject matter from the surveying company in South Korea, Spark International.   From 24 August 2023, vessels entering the ports of South Korea after taking ballast water in the ports of Aomori Prefecture, Iwate Prefecture, Fukushima Prefecture, Miyagi Prefecture, Ibaraki Prefecture, and Chiba Prefecture in Japan have to follow the requirements imposed by the Korean authorities. If the vessel does not follow these rules, it could be detained or fined. For more details, please find the attached circular.