| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-08 | Proposal to amend the Worn Tyres working group terms of reference | |
| GRBP-73-11 | ETRTO Tyre Performance Study | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-19 | UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres | |
| GRBP-73-19 | UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres | |
| GRBP-73-22 | Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres | |
| GRBP/2019/14 | UN R117: Proposal for a Supplement to the 02 series of amendments | |
| GRBP/2020/11 | UN R117: Proposal for revised Terms of Reference of the IWG WGWT (Wet Grip Performance for Tyres in a Worn State) | |
| GRBP/2020/17 | UN R117: Proposal for amendment |
GRBP will consider two proposals tabled by the experts from ETRTO.
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-08 | Proposal to amend the Worn Tyres working group terms of reference | |
| GRBP-73-11 | ETRTO Tyre Performance Study | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-19 | UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres | |
| GRBP-73-22 | Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres | |
| GRBP/2019/14 | UN R117: Proposal for a Supplement to the 02 series of amendments | |
| GRBP/2020/11 | UN R117: Proposal for revised Terms of Reference of the IWG WGWT (Wet Grip Performance for Tyres in a Worn State) | |
| GRBP/2020/17 | UN R117: Proposal for amendment |
GRBP may resume discussion on the proposal submitted by the Group Of Interested Experts on snow tyre provisions (GOIE).
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-02 | Proposal to amend the Worn Tyres informal working group Terms of Reference | |
| GRBP-73-08 | Proposal to amend the Worn Tyres working group terms of reference | |
| GRBP-73-08 | Proposal to amend the Worn Tyres working group terms of reference | |
| GRBP-73-11 | ETRTO Tyre Performance Study | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-18 | Status report of the Worn Tyres working group | |
| GRBP-73-19 | UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres | |
| GRBP-73-22 | Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres | |
| GRBP-73-22 | Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres | |
| GRBP-73-27/Rev.1 | Working group on Worn Tyres: Proposal for revised terms of reference | |
| GRBP/2020/11 | UN R117: Proposal for revised Terms of Reference of the IWG WGWT (Wet Grip Performance for Tyres in a Worn State) | |
| GRBP/2020/17 | UN R117: Proposal for amendment |
GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT) and will consider a proposal for its revised Terms of Reference, together with a complementary amendment submitted by the expert from EC.
| GRBP/2020/16 | UN R117: Proposal for amendment | |
| GRBP-72-02 | Worn tyres: Proposal for working group terms of reference |