11. The expert from ISO proposed to bring the latest ISO 10844:2021 standard test surface into UN Regulation No. 138 (ECE/TRANS/WP.29/GRBP/2022/15). GRBP adopted the proposal and requested the secretariat to submit it for consideration and vote at the March 2023 sessions of WP.29 and AC.1 as draft Supplement 3 to the 01 series of amendments to UN Regulation No. 138.

12. GRBP was informed about the activities of the newly created Task Force on Quiet Road Transport Vehicles (TF QRTV) (GRBP-76-16).