IWG MU (Measurement Uncertainties): Reference document
Document GRBP-74-11
31 August 2021
Status: Informal GR review
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Previous Documents, Discussions, and Outcomes
3. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

6. The expert from IWG MU briefly introduced a second package of draft amendments to UN Regulation No. 51 (GRBP-74-13). GRBP also noted an updated reference document with a general approach to estimate measurement uncertainties (GRBP-74-11) and was of the view that this document could be applicable to UN Regulations beyond the scope of GRBP.