48. The expert from Spain, Chair of IWG on safer transport of children in buses and coaches informed GRSP about GRSP-73-01 on developing the new UN Regulation. She confirmed that the Group had finalized the first phase on the use of ECRS approved according to UN Regulation No. 129 with three-point safety-belts and/or ISOFIX built-in systems. In Phase 2, she added that IWG would assess ECRS in combination with two-point belts. She added that the terms of references of Phase 2 of IWG would be prepared for comments from the Working Party on General Safety Provisions (GRSG), then for official adoption by GRSP at its December 2023 session. She then introduced GRSP-73-04-Rev.1, superseding ECE/TRANS/WP.29/GRSP/2023/2.

49. GRSP adopted ECE/TRANS/WP.29/GRSP/2023/2, as amended by GRSP-73-04-Rev.1. The secretariat was requested to submit the proposal as a draft new UN Regulation Concerning the Approval of Child Restraint Systems for Safer Transport of Children in Buses and Coaches for consideration and vote at the November 2023 sessions of WP.29 and AC.1.