152. The representative of the United States of America, Chair of IWG on Quiet Road Transport Vehicle GTR (QRTV GTR), informed AC.3 that IWG held a meeting in Baltimore, United States of America, had resumed its activities and reported on the issues held on 30 and 31 May 2018. He pointed out that the objective of the session was to provide a detailed comparison between UN Regulation No. 138 on QRTV, the Federal Motor Vehicle Safety Standard (FMVSS) on Minimum Sound Requirements for Hybrid and Electric Vehicles, as well as of other regional (the European Union) or national (Canada, Japan, the Republic of Korea) regulations in this area. He indicated that the full comparison report would be presented to the session of GRB in September 2018 and then to the November 2018 session of WP.29 with a request to provide guidance on further direction of work. He also pointed out that, depending on the guidance, WP.29 would be requested to extend the mandate of IWG QRTV GTR.