August 3, 2018 Announcement of Summer Holiday (PDF 53KB)
July 25, 2018 Announcement of System Maintenance (PDF 980KB)
May 11, 2018 Announcement of System Maintenance (PDF 54KB)
December 14, 2017 Announcement of Winter Holiday (PDF 53KB)
November 2, 2017 Announcement of System Maintenance (PDF 54KB)
June 3, 2016 Announcement of System Maintenance (PDF 82KB)