32. The expert from Spain, as Chair of the Informal Working Group on Safer Transport of Children in Buses and Coaches (IWG-STCBC), presented a status report of the IWG (informal document GRSP-77-19) and a draft for a proposal of a 01 series of amendments to UN Regulation No. 170 (informal document GRSP-77-20). After weighing the advantages and disadvantages, the IWG had decided to include the changes in a new series of amendments. Following the feedback from GRSP, the expert from Spain announced the intention of the IWG to submit a final version of the proposal as a working document to the next GRSP session.