145. The representative of the Republic of Korea reported on the progress of work of the IWG on Panoramic Sunroof Glazing (PSG) in developing an amendment to GTR No. 6. He clarified that the main contents of this amendment was to clarify the scope of GTR No 6 to cover panoramic sunroof glazing and to clarify the impact point in Steel ball drop test, based on the proposal submitted by CLEPA to GRSG in 2014. He reminded AC.3 that the extension of the mandate of the IWG was until June 2018 in the last November session of WP.29 meeting to reflect research results performed by United States of America. He added that NHTSA would start research to determine the root cause of panoramic sunroof failures including the fracture analysis and relevant survey this year. The seventh meeting will be held on 24 April in line with the upcoming GRSG meeting. Finally he concluded that the IWG is expecting that expert from NHTSA will introduce the status of research on the panoramic sunroof glazing at that meeting.