29. The expert from Finland reported on the progress of the Task Force on Studded Tyres (TF ST) (GRBP-74-15) and introduced updated Guidelines for TF ST (GRBP-74-17). GRBP adopted these Guidelines.

31. GRBP noted that, as a next step, TF ST would elaborate a proposal to introduce an ice grip symbol for tyres of class C1 (GRBP-74-16).

29. The expert from Finland reported on the progress of the Task Force on Studded Tyres (TF ST) (GRBP-74-15) and introduced updated Guidelines for TF ST (GRBP-74-17). GRBP adopted these Guidelines.

30. The expert from Finland presented a revised proposal for a new UN Regulation on studded tyres that had been prepared by TF ST (ECE/TRANS/WP.29/GRBP/2021/5/Rev.1). The expert from ETRTO suggested several modifications to the proposal (GRBP-74-32). GRBP adopted ECE/TRANS/WP.29/GRBP/2021/5/Rev.1 as amended by GRBP-74-32 and requested the secretariat to submit it for consideration and vote at the March 2022 sessions of WP.29 and AC.1 as a new draft UN Regulation.

86. The Chair of GRBP presented a draft new UN Regulation on studded tyres. The World Forum considered the draft and recommended its submission to AC.1 for voting. The representative of Japan pointed out that their delegation would abstain and has intention not to apply the draft new UN Regulation, as studded tyres are prohibited in Japan.

30. The expert from Finland presented a revised proposal for a new UN Regulation on studded tyres that had been prepared by TF ST (ECE/TRANS/WP.29/GRBP/2021/5/Rev.1). The expert from ETRTO suggested several modifications to the proposal (GRBP-74-32). GRBP adopted ECE/TRANS/WP.29/GRBP/2021/5/Rev.1 as amended by GRBP-74-32 and requested the secretariat to submit it for consideration and vote at the March 2022 sessions of WP.29 and AC.1 as a new draft UN Regulation.

21. The expert from Finland reported on the progress of the Task Force on Studded Tyres (TF ST) (GRBP-73-07) and introduced a proposal for a new UN Regulation which had been prepared by TF ST (ECE/TRANS/WP.29/GRBP/2021/5). GRBP agreed to revert to the document at the next session, thus giving GRBP experts an opportunity to further study the document and to provide comments.

86. The Chair of GRBP presented a draft new UN Regulation on studded tyres. The World Forum considered the draft and recommended its submission to AC.1 for voting. The representative of Japan pointed out that their delegation would abstain and has intention not to apply the draft new UN Regulation, as studded tyres are prohibited in Japan.