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UN R117: Proposal for Supplement 2 to the 03 Series of amendments

Document GRBP-79-22

31 January 2024

79th GRBP session (6-9 Feb)

Proposal to replace document ECE/TRANS/WP.29/GRBP/2024/09

Submitted by ETRTO

Status: Superseded

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Previous Documents, Discussions, and Outcomes

193rd WP.29 session (24-28 Jun)

4.9.11. | Proposal for Supplement 2 to the 03 series of amendments to UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

79th GRBP session (6-9 Feb)

7. (d) | UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

23. The expert of ETRTO submitted proposals for a new Supplement to the 03 series of amendments with the aim to introduce editorial corrections, a temperature correction to decrease measurement uncertainties and the new C3 reference test tyres (ECE/TRANS/WP.29/GRBP/2024/9, ECE/TRANS/WP.29/GRBP/2024/12, GRBP-79-22). The experts from France and Japan commented on the proposals (GRBP-79-49 and GRBP-79-08). GRBP adopted the proposals in ECE/TRANS/WP.29/GRBP/2024/9 as amended by GRBP-79-22 and in ECE/TRANS/WP.29/GRBP/2024/12 as amended by GRBP-79-49 and requested the secretariat to submit them for consideration and vote at the June 2024 sessions of WP.29 and AC.1 as draft Supplement 2 to the 03 series of amendments to UN Regulation No. 117.

7. (f) | Tyre abrasion

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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