23. GRSP resumed discussion on GRSP-71-05 (tabled by the expert from France) on the interpretation of “mechanical integrity” when testing electric batteries. GRSP agreed to resume discussion at its May 2023 session based on a proposal of amendment that would be tabled by the expert from France (with possible contribution of interested parties) to UN Regulation No. 100 clarifying that the Rechargeable Electric Energy Storage System (REESS) should be tested in two different directions: (a) direction of travel of the vehicle and (b) perpendicular to the direction of travel of the REESS.

24. GRSP resumed discussion on a proposal of amendment to UN Regulation No. 100, tabled by the expert from CLCCR that would introduce provisions for a type of electric axle in a trailer (ECE/TRANS/WP.29/GRSP/2022/14 and GRSP-72-18 amending it). The expert from France presented GRSP-72-27, introducing some comments and amendments to the proposal. GRSP agreed to resume discussion on a revised proposal introducing provisions for a type of electric axle tabled by the expert from CLCCR in cooperation with the expert from France at its May 2023 session.