The document provides the running order and tentative timetable for the twenty-sixth GRVA session based on ECE/TRANS/WP.29/GRVA/2026/23. Sessions are scheduled for 14-18 September 2026 in Room VII, with agenda items including adoption of the agenda, highlights from the June 2026 WP.29 session, election of officers, connected vehicles, cyber security, software updates, data protection, automated and autonomous vehicles, artificial intelligence, advanced driver assistance systems, braking regulations, and other business matters.