UN R117: Proposal for Supplement 12 to the 02 series of amendments
Proposal to adapt the rolling-sound measurement procedures to accommodate special C2 tyres presenting a section width wider than 200 mm, aspect ratio lower than 55, rim diameter code lower than 15 and without any dual fitting indication (i.e. the front size 175/75R15 LT and the rear size 235/50R14 LT or the front size 175/75R15 LT and the rear size 265/50R14 LT).
This proposal (WP.29/2020/75) was adopted by the World Forum. Forty-one Contracting Parties out of the 53 applying UN R117 were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining.