25. The expert from the Russian Federation, chairing the IG on Tyre GTR reported (GRRF-84-05) on the work done by the IWG on Tyres on the development of draft Amendment 2 of the GTR No. 16 (Tyres). He informed on the progress made and the challenges, notably harmonization the high speed test and the need for a mandate extension of two years. GRRF supported this request and agreed to seek for AC.3 consent on this matter.