Working Party on Noise and Tyres | Session 82 | 3-5 Sep
Geneva
Agenda Item 3.
UN Regulation No. 51 (Noise of M and N Categories of Vehicles)

GRBP will be informed about the activities of the Informal Working Group on Real Driving – Additional Sound Emission Provisions (IWG RD – ASEP).

GRBP is invited to consider amendment proposals tabled by the experts from the International Organization of Motor Vehicle Manufacturers (OICA) with the aim to clarify some provisions of UN Regulation No. 51.

GRBP will also consider proposals by the experts from OICA that include electric vehicles in the scope of ASEP provisions in Annex 7 to UN Regulation No. 51.

Documentation
GRBP/2025/20 UN R51: Proposal for corrections to the 03 series of amendments (OICA)
GRBP/2025/29 UN R51: Proposal for a Supplement to the 03 series of amendments (OICA)