15. The expert from ETRTO introduced corrections and clarifications (ECE/TRANS/WP.29/GRBP/2023/7). GRBP adopted the proposal, as amended by GRBP-77-21, and requested the secretariat to submit it for consideration and vote at the June 2023 sessions of WP.29 and AC.1 as draft Supplement 20 to UN Regulation No. 75.