GRBP will be briefed on the activities of the Informal Working Group on Wet Grip Performance of Tyres in Worn State (IWG WGWT).
GRBP may wish to consider a proposal from the experts of ETRTO for new supplements to the 02 and 04 Series of Amendments to UN Regulation No. 117, to update and improve the content of this Regulation.
| GRBP/2026/16 | UN R117: Proposal for a Supplement 19 to the 02 series of amendments |
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| GRBP/2026/17 | UN R117: Proposal for a Supplement 5 to the 04 series of amendments |
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