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Document title
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UN R117: Proposal for Supplement 3 to the 04 series of amendments
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Date
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4 Dec 2024
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Proposal to- Clarfy the scope to reflect that adhesion performance on wet surfaces (wet adhesion) is required not only for C1 tyres, but also C2 and C3 tyres
- Update standard reference to ASTM F2493-244, F3611-24, F3676-24, F3675-24 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”.
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Source(s)
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ETRTO
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Status
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Superseded
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Rulemaking area(s)
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Meeting(s)
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Related documents
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GRBP-81-09/Rev.1
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UN R117: Proposal to supersede document GRBP/2025/13 (Superseded)
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GRBP-81-13/Rev.1
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Supporting material for ETRTO working documents
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WP.29/2025/76
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UN R117: Proposal for Supplement 3 to the 04 series of amendments (Adopted)
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Downloads:
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UNECE server
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.pdf format
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.docx format
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GAR server
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.pdf format
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.docx format
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