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4.6.6. Proposal for Supplement 14 to the 02 series of amendments to UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

ECE/TRANS/WP.29/GRBP/72, para. 21, based on ECE/TRANS/WP.29/GRBP/2021/17 as amended by GRBP-74-31-Rev.1.

WP.29/2022/8 | UN R117: Proposal for Supplement 14 to the 02 series of amendments