49. GRRF received an oral report from the Secretary of the IWG on Intelligent Transport Systems / Automated Driving on the outcome of the latest meeting that took place one day before the start of this GRRF session. The Secretary referred to GRRF-82-16 containing the latest document discussed with elements determining the definitions of automation levels. He noted that it was intended to be a living document delivering the conceptual framework, while GRRF was dealing with technical requirements. GRRF noted the importance of the work done by the IWG and supported the view expressed by the Chair on the necessity to allocate more time for this IWG in the framework of the WP.29 activities.