WP.29/2025/6
UN R13: Proposal for a 15 series of amendments

Proposal to ensure that endurance braking is assessed in the context of the Type II-A test based on the maximum mass of the vehicle or vehicle combination.

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Excerpts from session reports
GRVA | Session 20 | 23-27 Sep 2024

90. The representative of Germany recalled the purpose of ECE/TRANS/WP.29/GRVA/2024/37 (superseding ECE/TRANS/WP.29/GRVA/2024/22), aimed at clarifying the testing provisions for endurance braking. He indicated that GRVA-20-48 provided background information on endurance braking. The representative of OICA supported the technical elements of the proposal. He presented an amendment proposal to the administrative provisions (GRVA-20-47). The representatives of Germany, Italy, and Sweden supported the proposal.
91. GRVA requested the secretariat to submit ECE/TRANS/WP.29/GRVA/2024/37 as amended by GRVA-20-47 as the draft 15 series of amendments to UN Regulation No. 13 for consideration and vote by WP.29 and AC.1 at their March 2025 sessions.

WP.29 | Session 195 | 3-7 Mar 2025
With 34 of the 53 Contracting Parties applying UN R13 present and voting, AC.1 adopted document WP.29/2025/6 by a vote of 34 in favor, 0 opposed, with 0 abstaining.