36. The GRBP Chair reported on the results achieved by GRBP at its seventy-fourth session (for details, see the report of the session ECE/TRANS/WP.29/GRBP/72).

37. As main highlights, he mentioned that GRBP had adopted a draft new UN Regulation on studded tyres and a new draft 03 series of amendments to UN Regulation No. 117 that introduces for the first time requirements for tyres in worn state.

38. He pointed out that GRBP had agreed to update the Terms of Reference of its two IWGs on Measurement Uncertainties and on Wet Grip Performance for Tyres in a Worn State. WP.29 noted that the revised Terms of Reference were annexed to the report of GRBP at its seventy-fourth session. WP.29 also noted that GRBP agreed in principle to extend for two years the mandate of the Informal Working Group on Quiet Road Transport Vehicles for the Global Technical Regulation (IWG QRTV GTR), subject to a final decision of the Administrative Committee (AC.3) and/or WP.29.

39. WP.29 noted that GRBP had re-elected Mr. Serge Ficheux (France) as Chair and Mr. Andrei Bocharov (Russian Federation) as Vice-Chair for the sessions of GRBP scheduled for the year 2022.