[Notice] Guidelines for service interruption due to the transition to the cloud environment (April 25, 2024 (Thu) 18:00 to April 26, 2024 (Fri) 09:00)

[Notice] Information on service interruption according to server security update (10:00 to 12:00 on Friday, March 1, 2024)

Information on service interruption according to regular inspection of electrical facilities (Friday, November 10, 2023 to Saturday, November 11, 2023)