41. The expert from OICA introduced informal document GRSP-78-15-Rev.1 amending ECE/TRANS/WP.29/GRSP/2025/41 with a proposal for a new UN Regulation on liquid hydrogen. GRSP adopted the proposal and requested the secretariat to submit it to the June 2026 sessions of WP.29 and AC.1. GRSP thanked the experts from TF-H2 for their work on this new UN Regulation, which would provide a type-approval basis for hydrogen vehicles propelled with liquefied hydrogen.