15. GRE addressed a proposal for a new 01 series of amendments to UN Regulation No. 150 that was prepared by IWG SLR ECE/TRANS/WP.29/GRE/2021/15 and GRE-85-05). GRE adopted the proposal, as amended by GRE-85-15, and requested the secretariat to submit it for consideration and vote at the June 2022 sessions of WP.29 and AC.1 as draft 01 series of amendments to UN Regulation No. 150. GRE recalled the alternative transitional provision in GRE-85-30 and requested IWG SLR to consider it and to report back to GRE at its next session in April 2022 (see paragraph 10 above).