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.

92. The representative of CLEPA proposed to resume discussion on their proposal (ECE/TRANS/WP.29/GRVA/2024/17) for technical provisions for the approval of park locks based on GRVA-20-06/Rev.1 (amending ECE/TRANS/WP.29/GRVA/2024/38) and GRVA-20-07/Rev.1 (amending ECE/TRANS/WP.29/GRVA/2024/39). The representative of Switzerland expressed concerns regarding roll-away risks (GRVA-20-13). The representative of France inquired about potential cramping, and the representative of the United Kingdom of Great Britain and Northern Ireland proposed to clarify para. 5.1.4.4.

93. GRVA requested the secretariat to distribute GRVA-20-06/Rev.1 and GRVA-20-07/Rev.1 with official symbols at the January 2025 session of GRVA.

94. The representative of CLEPA presented (GRVA-20-52) the status of their activities on e-axles for trailers and self-propelled trailers. He introduced an amendment proposal (GRVA-20-14) to UN Regulation No. 13 (superseding ECE/TRANS/WP.29/GRVA/2023/3). The representative of France supported the aim of the proposal but also warned about the safety risk in terms of stability posed by the trailer pushing the tractor vehicle. The representative of Denmark reported on trials of such technologies in his country and volunteered to join discussions on this topic. The representative of AAPC pointed to the German Federal Highway Research Institute publication on caravans or trailers with an electrically powered support axle, presented at the Working Party on General Safety Provisions (GRSG) in April 2024 (GRSG-127-01).

95. GRVA requested the secretariat to distribute GRVA-20-14 with an official symbol at the January 2025 session of GRVA.

96. The representative of the Russian Federation recalled the purpose of Supplement 18 to the 11 series of amendments to UN Regulation No. 13. He proposed (GRVA-20-33) that similar provisions be inserted in the 12, 13, and 14 series of amendments.

97. GRVA requested the secretariat to submit GRVA-20-33 as draft supplements to the 12, 13, and 14 series of amendments to UN Regulation No. 13 for consideration and vote by WP.29 and AC.1 at their sessions in March 2025.

98. The representative of CLEPA introduced GRVA-20-19 (and GRVA-20-50, a condensed version) containing editorial amendments to ECE/TRANS/WP.29/2024/147, tabled for adoption by WP.29 and AC.1 in November 2024. The representatives of Japan and OICA expressed support for the proposal.

99. GRVA requested the secretariat to provide the editorial amendments to WP.29 for consideration and vote in November 2024.

100. The representative of CLEPA proposed (GRVA-20-32) an amendment of paragraph 1.1 in Annex 10 of UN Regulation No. 13 to address the situation when trailers are not used often, and brake pads are glazing as they don’t heat up. The representative of Denmark provided comments. The representative of France agreed to study the proposal.

101. GRVA requested the secretariat to distribute GRVA-20-32 with an official symbol at its January 2025 session.