66. During the consultations, the expert from OICA proposed to clarify (GRVA-22-06) the provisions for Electric Parking Brakes (EPB) to ensure consistent interpretation of the activation conditions for an Emergency Stop Signal (ESS), meaning that the ESS can be generated by application of the service braking system via the EPB control. He also proposed to clarify that the use of any braking system control for testing the effectiveness of the secondary braking system in failure conditions is allowed (GRVA-22-10).

67. GRVA postponed the review of ECE/TRANS/WP.29/GRVA/2025/34 until September 2025.

68. GRVA agreed to remove ECE/TRANS/WP.29/GRVA/2025/13 and ECE/TRANS/WP.29/GRVA/2025/14 of the agenda for the next session.

69. During the consultations, the experts reviewed the proposal tabled by the expert from CLEPA to amend UN Regulation No. 13 (GRVA-22-25 as well as GRVA-22-26 amending ECE/TRANS/WP.29/GRVA/2025/15) in order to allow for the approval of e-axles. They noted the urgency for some parties to adopt these amendments as well as the need to address final open issues regarding testing and validation.

70. GRVA noted the status report on activities regarding the development of e-axle provisions (GRVA-22-25).

71. GRVA agreed to keep ECE/TRANS/WP.29/GRVA/2025/15 and GRVA-22-26 on the agenda for the September session and also agreed to resume discussion on the basis of an updated version.

72. GRVA requested the secretariat to distribute GRVA-22-06 and GRVA-22-10 with official symbols at the next session.

77. The representative of OICA presented GRVA-24-08 proposing to align the provisions of UN Regulation No. 13 with those already approved by GRVA (ECE/TRANS/WP.29/GRVA/2025/45/Rev.1) for UN Regulation No. 13-H. GRVA requested the secretariat to submit it as draft supplements to the 12, 13 14 and 15 series of amendments to UN Regulation No. 13 to WP.29 and AC.1 for consideration and vote at their June 2026 sessions.