9. The expert from Germany introduced a proposal for a new series of amendments aimed at transposing the modified requirements for non-original replacement exhaust silencing systems (NORESS) from UN Regulation No. 92 (Replacement exhaust silencing systems for motorcycles) into UN Regulation No. 59. GRBP adopted the proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their March 2020 sessions as a draft 03 series of amendments to UN Regulation No. 59.

42. The GRBP chair mentioned that GRBP had adopted a new series of amendments to UN Regulation No. 59 (Replacement silencing systems) and a draft technical report and Amendment No. 2 to UN GTR No. 16 (Tyres). He also indicated that the recently established Informal Working Group on Wet Grip Performance for Tyres in a Worn State (IWG WGWT) would be co-chaired by France and the European Commission.