3-5 Sep | Geneva
3. UN Regulation No. 51 (Noise of M and N Categories of Vehicles)
Annotations
Documentation

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

Other submissions
GRBP-82-03/Rev.1 IWG RD ASEP: Status Report
GRBP-82-06 UN R51: Background to the proposal for Supplement to 03 series of amendment
GRBP-82-07 UN R51: Proposal for a Supplement to 03 series of amendments
GRBP-82-18 Measurement Uncertainties when testing to Noise and Tyre Regulations
GRBP-82-19 Measurement Uncertainties: Background presentation on testing to Noise and Tyre regulations
GRBP-82-22 UN R51: Proposal for Supplement to 03 Series of amendments
GRBP-82-23 UN R51: Proposal for correction to 03 series of amendments
GRBP-82-08 UN R51: Proposal for a Supplement to the 03 Series of amendments
GRBP-82-09 UN R51: Supporting information for the proposal for Supplement to 03 Series of amendments
GRBP-82-35 IWG RD-ASEP Subgroup on UN Regulations Nos. 51 and 138): Status report
GRBP-82-38 UN R51: Application of ASEP for EVs
GRBP-82-39 UN R51: Short term steps to deliver a supported EV-ASEP proposal

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/2025/20 UN R51: Proposal for corrections to the 03 series of amendments
GRBP/2025/29 UN R51: Proposal for a Supplement to the 03 series of amendments
Other submissions
GRBP-82-03/Rev.1 IWG RD ASEP: Status Report
GRBP-82-06 UN R51: Background to the proposal for Supplement to 03 series of amendment
GRBP-82-07 UN R51: Proposal for a Supplement to 03 series of amendments
GRBP-82-18 Measurement Uncertainties when testing to Noise and Tyre Regulations
GRBP-82-19 Measurement Uncertainties: Background presentation on testing to Noise and Tyre regulations
GRBP-82-22 UN R51: Proposal for Supplement to 03 Series of amendments
GRBP-82-23 UN R51: Proposal for correction to 03 series of amendments
GRBP-82-08 UN R51: Proposal for a Supplement to the 03 Series of amendments
GRBP-82-09 UN R51: Supporting information for the proposal for Supplement to 03 Series of amendments
GRBP-82-35 IWG RD-ASEP Subgroup on UN Regulations Nos. 51 and 138): Status report
GRBP-82-38 UN R51: Application of ASEP for EVs
GRBP-82-39 UN R51: Short term steps to deliver a supported EV-ASEP proposal

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.

Other submissions
GRBP-82-03/Rev.1 IWG RD ASEP: Status Report
GRBP-82-06 UN R51: Background to the proposal for Supplement to 03 series of amendment
GRBP-82-07 UN R51: Proposal for a Supplement to 03 series of amendments
GRBP-82-18 Measurement Uncertainties when testing to Noise and Tyre Regulations
GRBP-82-19 Measurement Uncertainties: Background presentation on testing to Noise and Tyre regulations
GRBP-82-22 UN R51: Proposal for Supplement to 03 Series of amendments
GRBP-82-23 UN R51: Proposal for correction to 03 series of amendments
GRBP-82-08 UN R51: Proposal for a Supplement to the 03 Series of amendments
GRBP-82-09 UN R51: Supporting information for the proposal for Supplement to 03 Series of amendments
GRBP-82-35 IWG RD-ASEP Subgroup on UN Regulations Nos. 51 and 138): Status report
GRBP-82-38 UN R51: Application of ASEP for EVs
GRBP-82-39 UN R51: Short term steps to deliver a supported EV-ASEP proposal