24. Finally, the expert from Japan introduced GRSP-69-25 to inform GRSP on results from tests performed in his country concerning frontal impact using the Q1.5 dummy and four types of ECRS type approved according to the UN Regulation and focusing on the effect of contact between the chin and chest on the dummy’s neck injury. The expert from Spain volunteered to cooperate with the expert from Japan on this issue and provide together an update at the December 2021 session of GRSP. In the same time the expert from Spain withdrew GRSP-68-13.