UN R117: Proposal for Supplement 2 to the 04 series of amendments
Reference Number: GRBP/2024/4
Proposal to reduce noise measurement variability, completing the amendment proposal adopted at the seventy-eighth session of the Working Party on Noise and Tyres (informal document GRBP-78-05 replacing ECE/TRANS/WP.29/GRBP/2023/19).