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UN R51: Proposal in progress for a 04 Series of amendment
Document GRBP-74-22+MU
21 September 2021

Based on GRBP-74-22 plus measurement uncertainties provisions.

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Previous Documents, Discussions, and Outcomes
3. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

8. On behalf of the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP), the expert from Germany reported on their activities (GRBP-74-21) and introduced an updated draft new 04 series of amendments to UN Regulation No. 51 (GRBP-74-22). The Chair invited GRBP experts to study this draft and to provide comments to IWG ASEP.

Related and Previous Documents
GRBP-74-22
Relates to UN R51 |