19 Dec 2022 UN R164: Proposal for Supplement 1 WP.29/2023/7 2022-12-19
26 Aug 2022 UN R164: TF Studded Tyres status report GRBP-76-13 2022-08-26
15 Jun 2022 UN R164: Proposal for Supplement 1 GRBP/2022/11 2022-06-15
25 Apr 2022 Agenda for the 9th Studded Tyres task force session TFST-09-01 2022-04-25
25 Apr 2022 Studded tyres: Proposal for ice grip performance Supplement TFST-09-02 2022-04-25
25 Apr 2022 Minutes of the 9th Studded Tyres task force session TFST-09-03 2022-04-25
25 Jan 2022 Studded Tyres task force: Status report to the 75th GRBP session GRBP-75-09 2022-01-25