39. The expert from Australia recalled the past discussion held in GRSP and WP.29, and recommended that action not be circular and move forward. The expert from the Republic of Korea introduced GRSP-74-15 reminding GRSP of the noted discussion, and stressed that the scope of the regulatory discussion on this issue should include passenger vehicles and buses carrying children. He also added that discussions should not be steady but could move vigorously forward. The expert from Canada proposed establishing an ad hoc group with clear ToRs. The expert from the United States of America supported the proposal of the expert from Canada. The experts from Australia and the Republic of Korea proposed to co-chair the group. The expert from China informed GRSP that NCAP China already had protocols to test the original equipment of manufacturers to detect the presence of children, and he offered to co-chair the group. GRSP requested the Chair to highlight this initiative to the WP.29 March 2024 session for endorsement before resuming discussions at its May 2024 session.