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UN R 51: IWG Measurement Uncertainties - Revised Terms of Reference

Document GRBP-75-06/Rev.1

25 January 2022

75th GRBP session (8-11 Feb 2022)

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Previous Documents, Discussions, and Outcomes

75th GRBP session (8-11 Feb 2022)

2. | UN Regulation No. 51 (Noise of M and N categories of vehicles).

11. The expert from IWG MU proposed to update their Terms of Reference (GRBP-75-06-Rev.1). GRBP adopted the revised Terms of Reference, as laid down in Annex II of the session report.

Relates to UN R51 | UN R117 |

Reference Number:	WP.29/2025/2
Meeting Session(s):	195th WP.29 session (3-7 Mar 2025)
Document date:	24 Dec 24
Document status:	Formal WP.29 review
Regarding:	Communications/Connectivity

Reference Number:	EVE-79-05
Meeting Session(s):	79th EVE session (17 Dec)
Document date:	23 Dec 24
Regarding:	GTR No. 21 EV Power Determination \| GTR No. 22 EV Battery Durability \| HD EV Battery Durability

Reference Number:	VIAQ-30-09
Meeting Session(s):	30th VIAQ session (11 Oct)
Document date:	23 Dec 24
Regarding:	MR 3: VIAQ

Reference Number:	WT-64-03
Meeting Session(s):	64th WT session (16 Dec)
Document date:	22 Dec 24
Regarding:	UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance

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