13. The expert from Japan introduced GRSP-69-23 through a presentation (GRSP-69-24), aimed at solving the issue of safety-belt slipping up to the neck and submarining occurring in some cases when the booster seat was fixed to the vehicle by an ISOFIX attachment increasing the risk of child occupant’s neck and abdomen injuries. The experts from the CLEPA and OICA requested a study reservation on the proposal. GRSP agreed to resume discussion at its December 2021 session and requested the secretariat to distribute GRSP-69-23 with an official symbol at its next session.