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Document title
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UN R109: Proposal for a Supplement to the 01 series of amendments
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Date
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5 Dec 2024
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Proposal to:- Correct the description of a tyre to exclude aspects outside the scope of UN R109
- Clarify the definition of nominal rim diameter
- Clarify the definition of principal grooves in line with the proposal for UN R54
- Amend para. 6.4.4.2. to clarify that the UN R117 certificate may be used for obtaining the type approval under UN R172 of retreaded tyres classified as traction tyre
- Simplify the wording of the requirements for professional off-road tyres
- Replace "XXX" with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.
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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Superseded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-81-12/Rev.1
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UN R109: Proposal to supersede document GRBP/2025/16 (Superseded)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.29/2025/74
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UN R109: Proposal for Supplement 1 to the 01 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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