Minutes from the Task Force on Tyre Abrasion 53rd session held 29 October 2026. The session reviewed TADG status on drafting C1 and C2 provisions for GRBP Working Document 85th session and discussed amendment proposals to UN R186. TFTA agreed with TADG proposals including removal of special use tyres from AICT requirements, keeping drum abrasion level range as currently defined, and placing sandpaper surface replacement recommendation frequency in square brackets. TFTA also agreed with ETRTO proposals for C1 vehicle method amendments to paragraphs 1.6.2, 1.6.8, 1.6.9, 1.6.4.1, 1.7.4.1, and 7.4, and for C2 vehicle method amendments to paragraphs 1.9.2, 1.6.2, 1.10.4.2, 1.8.2.1, 1.8.2.2, and 1.6.4. GRPE endorsed the request to elevate TFTA to an IWG TA and address the request to WP.29 session 200 in November 2026.