139. The representative of Australia informed AC.3 that the IWG on Children Left in Vehicles (IWG-CLIV) had recently focused its work on developing a new UN Regulation for buses, which could potentially be endorsed by GRSP in its December 2026 session. Discussions about a possible new UN GTR continue within the group and the representative of Australia expressed his hope that a decision on the request for authorisation to develop a new UN GTR could be taken in the November 2026 session of AC.3.