68. The GRBP Chair reported on the results achieved by GRBP at its seventy-seventh session (for details, see the report of the session ECE/TRANS/WP.29/GRBP/75).
69. The GRBP chair requested that the mandates of the Informal Working Groups on Additional Sound Emission Provisions (IWG ASEP) and of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT) be extended until December 2024 and February 2026, respectively. WP.29 gave its consent.
70. The GRBP chair pointed out that, on 1 July 2023, a one-year monitoring period would start for collecting and analysing test data on the Real Driving Additional Sound Emission Provisions (RD ASEP) in UN Regulation No. 51 and that GRBP agreed on the organization of this process and adopted amendment proposals clarifying the collection and transmission of RD-ASEP data. He further mentioned that the above amendments, if approved in June 2023, would enter into force around January 2024, while the data collection should start on 1 July 2023. Therefore, GRBP counted on cooperation of Contracting Parties and urged Type Approval Authorities and Technical Services to collect and transmit the RD ASEP data as of 1 July 2023.
71. The GRBP Chair recalled that, at the WP.29 session in November 2022, two solutions had been suggested to prohibit the use of Unique Identifier (UI) in UN Regulations:
72. Finally, the GRBP chair reported that GRBP launched a Special Interest Group on Automated Vehicles Regulation Screening (SIG AVRS) which had screened 21 UN Regulations under the responsibility of GRBP and identified 13 UN Regulations for further consideration. He pointed out that GRBP was waiting for the WP.29 and GRVA priorities in this respect as well as for new definitions of vehicle categories (or subcategories) dedicated to ADS.