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Revised terms of reference for the Sound Measurement Uncertainties informal group
Document GRBP-73-16
21 January 2021
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Previous Documents, Discussions, and Outcomes
3. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

4. The expert from Norway, in his capacity of Chair of the Informal Working Group on Measurement Uncertainties (IWG MU), reported on the progress of IWG MU (GRBP-74-20) and proposed to update its Terms of Reference (GRBP-74-12). GRBP adopted the revised Terms of Reference, as laid down in Annex II.

7. (e) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)
3. | UN Regulation No. 51 (Noise of M and N categories of vehicles)

7. The expert from Norway, in his capacity of Chair of the Informal Working Group on Measurement Uncertainties (IWG MU), reported on the progress of IWG MU (GRBP-73-14-Rev.1) and proposed to update its Terms of Reference (GRBP-73-16). GRBP adopted the revised Terms of Reference, as laid down in Annex II of the session report.

Related and Previous Documents
GRBP-74-12
Relates to UN R51 | UN R117 |