Document Number GRBP/2026/4
1 2 3 4 5 6 7 8 9 10
Document title UN R51: Proposal for a Supplement 11 to the 03 series of amendments
Date 27 Nov 2025 Proposal to introduce a “default mode”, to specify requirements to be applied to the emission of Enhanced Exterior Sound (EES), with the 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).
Status Formal GR review
Rulemaking area(s)
Regulatory impact
03 series of amendments | Supplement 11
Meeting(s)
Related documents
GRBP-82-39 UN R51: Short term steps to deliver a supported EV-ASEP proposal
GRBP-83-09/Rev.1 UN R51: Proposal to amend document GRBP/2026/4 (Formal GR review)
GRBP-83-41 UN R51: Proposal for Supplement 11 to the 03 series of amendments (Formal GR review)
R51/R138-17-02 UN R51: Working draft proposal to amend document GRBP/2026/4
R51/R138-17-07 UN R51: Updated proposal to amend GRBP/2026/4 (Supplement 11 to the 03 series)
R51/R138-17-08 UN R51: Updated proposal for a Supplement 11 to the 03 series of amendments
R51/R138-18-04 UN R51: Draft proposal to amend GRBP/2026/4
Downloads: UNECE server .pdf format .docx format GAR server .pdf format .docx format