GAR | WP.29-191-23

Seeking clarification on UN Regulation No. 131 concerning the reciprocal recognition of UN Regulation No. 152

Document WP.29-191-23

13 November 2023

191st WP.29 session (13-16 Nov 2023)

This paper seeks to clarify the expected approval process to be utilized by Contracting Parties concerning UN Regulation No. 131 which requires Contracting Parties applying UN R131 and UN R152 to recognise approvals to either Regulation as equally valid for vehicles of category M₂ and for those of category M₃/N₂ with a maximum weight below or equal to 8t and equipped with a hydraulic braking system.

Submitted by Australia

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Previous Documents, Discussions, and Outcomes

19th GRVA session (20-24 May and 25 Jun)

7. | Advanced Emergency Braking Systems

191st WP.29 session (13-16 Nov 2023)

4.2.3. | Interpretation of specific UN Regulations

93. The representative of Australia sought clarifications (WP.29-191-23) regarding the equivalence of requirements according to UN Regulation No. 152 (AEBS for light vehicles) and UN Regulation No. 131 (AEBS for heavy vehicles) for vehicles of category M3/N2 with a maximum weight below or equal to 8 tons, equipped with hydraulic braking, which can be approved under both UN Regulations.

94. WP.29 agreed to pass the request to the Working Party on Automated/Autonomous and Connected Vehicles, as the body in charge of these regulations.

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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