Document Number GRBP-83-41
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Document title UN R51: Proposal for Supplement 11 to the 03 series of amendments
Date 11 Feb 2026 Proposal to supersede document GRBP/2026/4 intended to introduce a “default mode”, to specify requirements to be applied to the emission of Enhanced Exterior Sound (EES), with corresponding transitional provisions, and to draw a limit curve to introduce electric vehicles and hybrid electric vehicles that can be propelled without an internal combustion engine operating in the scope of ASEP (Annex 7).
Source(s) OICA
Status Formal GR review
Rulemaking area(s)
Regulatory impact
03 series of amendments | Supplement 11
Meeting(s)
Related documents
GRBP/2026/4 UN R51: Proposal for a Supplement 11 to the 03 series of amendments (Formal GR review)
Downloads: UNECE server .pdf format .docx format GAR server .pdf format .docx format