GAR | WP.29/2025/75

Document Number WP.29/2025/75

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Document title	UN R117: Proposal for Supplement 17 to the 02 series of amendments
Date	10 Apr 2025				Proposal to Update standard reference to ASTM F2493-24 and ISO 4000-1:2024 Align the definitions of tread groove and principal grooves with proposals for UN R30 and R54 Simplify the wording of the requirements for professional off-road tyres Correct the transitional provision in paragraph 12.23. to specify approvals “first issued after 31 August 2028”.

Status	Adopted
Rulemaking area(s)	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance
Regulatory impact	02 series of amendments \| Supplement 17
Meeting(s)	WP.29 \| Session 196 \| 23-27 Jun 2025 Agenda item 4.8.10. UN R117: Proposal for Supplement 17 to the 02 series of amendments
Related documents
	GRBP/2025/12		UN R117: Proposal for Supplement 17 to the 02 series of amendments (Superseded)
	GRBP-81-08/Rev.1		UN R117: Proposal to supersede document GRBP/2025/12 (Superseded)
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