17. GRBP recalled that, at its previous session, it decided to continue consideration of ECE/TRANS/WP.29/GRBP/2021/13 in view of other draft amendments to UN Regulation No. 54 (ECE/TRANS/WP.29/GRBP/72, para. 16). The expert from ETRTO tabled a proposal that aimed to consolidate the calculation of reference dimensions with that provided in United Nations Global Technical Regulation (UN GTR) No. 16 (ECE/TRANS/WP.29/GRBP/2022/6).
18. GRBP adopted ECE/TRANS/WP.29/GRBP/2022/6 and ECE/TRANS/WP.29/GRBP/2021/13, as amended by GRBP-75-31-Rev.2, and requested the secretariat to submit it for consideration and vote at the June 2022 sessions of WP.29 and AC.1 as draft Supplement 25 to the original series of amendments to UN Regulation No. 54.