47. The expert from Spain, Chair of the IWG on safer transport of children in buses and coaches informed GRSP about the progress (GRSP-72-03). She confirmed that the group was developing a first phase on the use of ECRS that were approved according to UN Regulation No. 129 with 3-point safety-belts and or ISOFIX built-in systems. In Phase 2, she added that IWG would assess ECRS in combination with the 2-point belt. She then introduced GRSP-72-02 as a first draft of the new UN Regulation.

48. GRSP agreed to resume discussion on a revised document (based on GRSP-72-02), resolving the remaining issues in square brackets, submitted by the expert from Spain as an official document to the May 2023 session of GRSP.