Download: GRBP/2025/1 from UNECE: .pdf format .docx format
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6. (h) UN Regulation No. 172 (Snow performance of retreaded tyres and classification as traction tyre)

GRBP is invited to address amendment proposals prepared by the expert from ETRTO which introduce new reference tyres and editorial corrections.

GRBP/2025/17 | UN R172: Proposal for Supplement 1
GRBP-81-27/Rev.2 | UN R172: Proposal to supersede document GRBP/2025/17