71. The secretariat presented GRVA-04-49 with priority proposals for GRVA (other than those related to automated vehicles), answering to the request of the Administrative Committee for the Coordination of Work (AC.2) in ECE/TRANS/WP.29/1147, para. 7. GRVA commented on the document. The Chair explained that the priorities should be understood in terms of workload to determine the number of sessions per year in a top down approach by AC.2. The secretariat invited the delegations to send written comments in advance of the next session of AC.2 on 12 November 2019.