98. The expert from OICA introduced ECE/TRANS/WP.29/GRVA/2022/25, aimed at ensuring the continuity of the American Society for Testing and Materials (ASTM) Method E1337 for the measurement of the Peak Braking Coefficient (PBC) in UN Regulation No. 140, by introducing a reference to the new ASTM Standard Reference Test Tyre F2493.

99. The expert from Canada noted that a similar amendment had been introduced in the 01 series of amendments to UN Regulation No. 13-H. He inquired whether it would be needed for the original series too. The expert from OICA answered that it would make sense. The secretariat prepared the corresponding document, GRVA-14-55.

100. GRVA adopted ECE/TRANS/WP.29/GRVA/2022/25 and requested the secretariat to submit it as a supplement to the original version of UN Regulation No. 140 to WP.29 and AC.1 for consideration and vote at their March 2023 sessions.

101. GRVA adopted GRVA-14-55/Rev.1 and requested the secretariat to submit it as a supplement to the original version of UN Regulation No. 13-H to WP.29 and AC.1 for consideration and vote at their March 2023 sessions.

90. The expert from OICA introduced GRVA-13-24 proposing an update for the measurement of the Peak Braking Coefficient (PBC) in UN Regulation No. 140, by introducing a reference to the new American Society for Testing and Materials (ASTM) Standard Reference Test Tyre F2493. The expert from Canada mentioned that the proposal was consistent with similar work done in other jurisdictions and supported it.

91. GRVA requested the secretariat to distribute GRVA-13-24 with an official symbol at the next GRVA session (in September 2022).