10. The expert from the United States of America, Co-Chair of the Informal Working Group (IWG) on Functional Requirements for Automated and Autonomous Vehicles (FRAV), presented GRVA-09-27 with a status report of the activities of the group and a summary of the white paper prepared by the group (GRVA-09-28). He highlighted that the white paper contained definitions and addressed the development of a structure for ADS safety requirements. He added that the Group’s work followed a top-down approach, based on five mains aspects of ADS performance. He explained that, from these five categories, the group derived 40 inter-related safety topics. He concluded his presentation by stating that the group was collecting data supporting the elaboration of safety requirements and ADS description requirements and was coordinating activities together with the IWG on Validation Methods for Automated Driving (VMAD).