GRSP agreed to resume discussion on a document tabled by the expert from OICA to incorporate provisions on hydrogen fuelled vehicles into UN Regulation No. 137, to harmonize this UN Regulation with UN GTR No. 13, Amendment 1 (ECE/TRANS/WP.29/GRSP/2023/20).

GRSP also agreed to resume discussion on a possible revised proposal (superseding GRSP-72-06) tabled by an ad hoc group led by the expert from Japan concerning the requirement on the Thorax Compression Criterion (ThCC).