20. The experts from GTB proposed to correct and clarify the provisions for matched pairs in various series of amendments to UN Regulation No. 48 (ECE/TRANS/WP.29/GRE/2022/20). GRE 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 a draft Supplement to the 03, 04, 05, 06, 07 and 08 series of amendments to UN Regulation No. 48.