46. The expert from Japan as per agenda items 15, 16 and 17 introduced a presentation (GRSP-66-29) to explain GRSP-66-36 on aligning UN Regulation No. 137 to the provisions of UN GTR No. 20. He added that his administration aimed to propose a new series of amendments with the chest deflection criterion limit of 34 mm of the female dummy in N1 vehicles not exceeding 2.8 tons. GRSP agreed to resume discussion on this agenda item to its May 2020 session, awaiting comments from its experts on GRSP-66-36.