30. The expert from IMMA introduced a proposal that aimed to enable the use of Rear-End Collision Alert Signal (RECAS) on vehicles of category L3 (ECE/TRANS/WP.29/GRE/2022/23). 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 01, 02 and 03 series of amendments to UN Regulation No. 53.