22. The expert from ETRTO proposed introducing new reference tyres and editorial corrections (ECE/TRANS/WP.29/GRBP/2025/17). GRBP adopted the proposal, as amended by GRBP-81-27-Rev.2, and requested the secretariat to submit it for consideration and vote at the June 2025 sessions of WP.29 and AC.1 as draft Supplement 1 to UN Regulation No. 172.