Proposal to make a correction to the procedure of free rolling tyre noise testing described in Annex 8.
Supplement 7 introduced an inconsistency in R51.03 Annex 8. As currently written, it requires free-rolling tyre noise testing to be conducted in accordance with both ISO 362-3:2016 and Annex 3, Appendix 3
Proposal replaces document GRBP/2025/20
ECE/TRANS/WP.29/GRVA/12, para. 65-66, based on ECE/TRANS/WP.29/GRVA/2022/6, as amended by GRVA-12-43 and ECE/TRANS/WP.29/GRVA/2021/11, as amended by GRVA-12-19.