Working Party on Noise & Tyres (GRBP) reports to WP.29
Documents
102 documents
26 Nov 2025 UN R51: Proposal for corrections to the 03 series of amendments (OICA) GRBP/2026/13 2025-11-26 Proposal to replace references to GTR 21 by references to UN R177. OICA
27 Nov 2025 UN R51: Proposal for a Supplement 11 to the 03 series of amendments (OICA) GRBP/2026/14 2025-11-27 Proposal to address electric vehicle enhanced sound issues in the short term until the new 04 series of amendments enters into force. OICA
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