GAR | GRBP/2025/17

Document Number GRBP/2025/17

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Document title	UN R172: Proposal for Supplement 1
Date	5 Dec 2024				Proposal to: Add new reference tyres C3 SRTTs 19.5 and 22.5 siped and related transitional provisions Simplify the wording of the requirements for professional off-road tyres Make editorial corrections where needed throughout the text.
Source(s)	ETRTO
Status	Superseded
Rulemaking area(s)	UN R172 Traction/snow retreaded tyres
Meeting(s)	GRBP \| Session 81 \| 18-21 Feb 2025 Agenda item 6. (h) UN Regulation No. 172 (Snow performance of retreaded tyres and classification as traction tyre)
Related documents
	GRBP-81-27/Rev.2		UN R172: Proposal to supersede document GRBP/2025/17 (Superseded)
	WP.29/2025/78		UN R172: Proposal for Supplement 1 (Adopted)
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