Document Title UN R51: Proposal for a Supplement 11 to the 03 series of amendments
Reference Number GRBP/2026/14
Date
27 Nov 2025
Summary Proposal to address electric vehicle enhanced sound issues in the short term until the new 04 series of amendments enters into force.
Source(s) OICA
Rulemaking Area(s) UN R51 Vehicle Noise
Regulatory Impact
03 series of amendments | Supplement 11
Proposal Status Formal GR review
Meeting(s)
Related Documents
R51/R138-17-03 UN R51: Proposal for Supplement 11 to the 03 series of amendments
Downloads
UNECE server .pdf format .docx format
GAR server .pdf format .docx format