Editing report
Working Party on Noise and Tyres | Session 71 | 28-31 Jan 2020
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This page lists the documents that have been associated with agenda item 5. (d) (UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)). The checked documents have been linked to the report paragraph (extract shown on the left side below). Unchecked documents can be linked to the report by checking the box and clicking on the update button. Documents can be unlinked by clicking the checkbox to remove the check mark. To check for orphan documents, documents shown in green have already been linked to one or more reports. Documents in orange have not been linked to any reports. If all the documents mentioned in the report extract have already been linked, you can click the all okay link to return to the session agenda item and reports without updating the database.
Session Report Extract

22. The expert from France, Chair of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT), reported on their progress (GRBP-71-23). She pointed out that the IWG WGWT objectives were to present an informal document to the seventy-second session of GRBP in September 2020 and to submit a formal paper to the seventy-third session of GRBP in January 2021.

| UN R51 : Task Force Measurement Uncertainties (TF MU) guidelines to the objectives and rules of procedure
| UN R117: Proposal for a Supplement to the 02 series of amendments