26 November 2021 Agenda for the 30th Worn Tyres informal group session WT-30-01	WT-30-01	2021-11-26
26 November 2021 Wet Grip on Worn C1 tyres: Threshold definition approach considerations (ETRTO) WT-30-02	WT-30-02	2021-11-26
30 November 2021 Attendance list from the 30th Worn Tyres informal group session WT-30-03	WT-30-03	2021-11-30
30 November 2021 Worn tyres: Additional test campaign and necessary quantity of "molded SRTT worn" (JASIC) WT-30-04	WT-30-04	2021-11-30
7 December 2021 Minutes of the 30th Worn Tyres informal group session WT-30-05	WT-30-05	2021-12-07
3 December 2021 Proposal for additional Worn Tyres group test campaign (JASIC) WT-30-06	WT-30-06	2021-12-03
3 December 2021 Worn Tyres: Proposal for SRTT evaluation workplan (ETRTO) WT-30-07	WT-30-07	2021-12-03
2 December 2021 Agenda for 3 December 2021 Worn Tyres informal group follow-up discussion WT-30-08	WT-30-08	2021-12-02
7 December 2021 Attendance list from the follow-up to the 30th Worn Tyres informal group session WT-30-09	WT-30-09	2021-12-07
8 December 2021 Minutes from the follow-up to the 30th Worn Tyres informal group session WT-30-10	WT-30-10	2021-12-08
8 December 2021 Proposal for Worn Tyres additional test campaign for minimum assessment WT-30-11	WT-30-11	2021-12-08