64. Under agenda items 7, 12, 14 and 16 (see paragraphs 22, 35, 37 and 41), the expert from OICA introduced GRSP-72-34 to incorporate provisions on hydrogen fuelled vehicles into UN Regulation No. 94 and to harmonize this UN Regulation with UN GTR No. 13, Amendment 1. GRSP requested its experts to provide feedback on GRSP-72-34 to the expert from OICA before the deadline for submission of official documents for its May 2023 session.