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Latest Documents
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1 Aug 2025 | R51/R138: Agenda for the 13th (August 2025) session | R51/R138-13-08
1 Aug 2025 | A-LCA: Agenda for the 27th (September 2025) session | A-LCA-27-01
1 Aug 2025 | Minutes of the 48th (June 2025) IWVTA informal group session | IWVTA...
1 Aug 2025 | UN R51: Comments on draft Supplement proposal (Annex 7) | R51/R138-1...
1 Aug 2025 | UN R138: Draft amendment on AVAS sound levels | R51/R138-13-06
1 Aug 2025 | UN R51: Draft guidance on interpretation of the footnote on generate...
1 Aug 2025 | UN R51: Proposal for corrections to the 03 series of amendments | R5...
1 Aug 2025 | UN R51: Draft proposal to amend document GRBP/2025/29 | R51/R138-13-03
(43 posted during the past week)
R51/R138: Agenda for the 13th (August 2025) session
Reference Number:
R51/R138-13-08
Meeting Session(s):
13th R51/R138 session (6 Aug)
Document date:
01 Aug 25
Regarding:
UN R51 Vehicle Noise
A-LCA: Agenda for the 27th (September 2025) session
Reference Number:
A-LCA-27-01
Meeting Session(s):
27th A-LCA session (22-23 Sep)
Document date:
01 Aug 25
Regarding:
Automotive Life Cycle Assessment
Minutes of the 48th (June 2025) IWVTA informal group session
Reference Number:
IWVTA-49-01
Meeting Session(s):
49th IWVTA session (6 Nov)
Document date:
01 Aug 25
Regarding:
UN R0 International Whole Vehicle Type Approval
UN R51: Comments on draft Supplement proposal (Annex 7)
Reference Number:
R51/R138-13-07
Meeting Session(s):
13th R51/R138 session (6 Aug)
Document date:
01 Aug 25
Regarding:
UN R51 Vehicle Noise
View full document file for more information
UN R138: Draft amendment on AVAS sound levels
Reference Number:
R51/R138-13-06
Meeting Session(s):
13th R51/R138 session (6 Aug)
Document date:
01 Aug 25
Regarding:
UN R138 Quiet Road Transport Vehicles
UN R51: Draft guidance on interpretation of the footnote on generated sounds
Reference Number:
R51/R138-13-05
Meeting Session(s):
13th R51/R138 session (6 Aug)
Document date:
01 Aug 25
Regarding:
UN R51 Vehicle Noise
View full document file for more information
UN R51: Proposal for corrections to the 03 series of amendments
Informal consolidated text for better reading.
Reference Number:
R51/R138-13-04
Submitted by:
OICA
Meeting Session(s):
13th R51/R138 session (6 Aug)
Document date:
01 Aug 25
Regarding:
UN R51 Vehicle Noise
View full document file for more information
UN R51: Draft proposal to amend document GRBP/2025/29
Reference Number:
R51/R138-13-03
Meeting Session(s):
13th R51/R138 session (6 Aug)
Document date:
01 Aug 25
Regarding:
UN R51 Vehicle Noise
View full document file for more information
Upcoming Meetings
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RD-ASEP R51/R138 Subgroup | Session 13 | 6 Aug
Safer and Cleaner Used and New Vehicles in Developing Markets | Session ...
GRSP Task Force on Automated Vehicles and Regulation Screening | Session...
GRBP Task Force on Automated Vehicle Regulation Screening | Session 17 |...
Informal Working Group on Children Left in Vehicles | Session 11 | 26-28...
Working Party on Noise and Tyres | Session 82 | 3-5 Sep
Electric Vehicles and the Environment | Session 87 | 4 Sep
Working Party on Automated and Connected Vehicles | GRVA Scenarios Works...
Electric Vehicle Safety | Session 30 | 9-11 Sep
Simplification of Lighting and Light-Signalling Regulations | Session 74...
Informal Working Group on Automated Driving Systems | Session 13 | 10-11...
Automotive Life Cycle Assessment | Session 26 | 10 Sep
View complete calendar
Latest Changes to Regulations
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5 Aug 2024 GTR No. 21 | Amendment 1 | Appendix 1
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Regulation:
GTR No. 21 | Electric Vehicle System Power Determination
Document:
GTR No. 21
5 Aug 2024 GTR No. 21 | Amendment 1
Close
Regulation:
GTR No. 21 | Electric Vehicle System Power Determination
Document:
GTR No. 21
5 Aug 2024 GTR No. 22 | Amendment 1 | Appendix 1
Close
Regulation:
GTR No. 22 | Electrified Vehicle Battery Durability
Document:
GTR No. 22
5 Aug 2024 GTR No. 22 | Amendment 1
Close
Regulation:
GTR No. 22 | Electrified Vehicle Battery Durability
Document:
GTR No. 22
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Recent Headlines
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6 May 2025 CO2 emissions EP fast-tracks vote on flexibility measures for...
10 Mar 2025 Electric vehicles and climatisation measuring the impact on...
29 Jan 2025 EU Parliament report on vehicle circularity and end-of-life...
9 Jan 2025 High-visibility clothing may thwart pedestrian crash prevention...
30 Dec 2024 Australia ceases UN R147 application
20 Dec 2024 NHTSA Proposes National Program for Vehicles with Automated...
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World Forum for the Harmonization of Vehicle Regulations
Session 185
23-26 Nov 2021 | Geneva hybrid session
Agenda Item 3.1.
Working Party on General Safety Provisions (GRSG) (121st session, 12-16 April 2021)
Documentation
Annotations
GRSG/100
Report of GRSG on its 121st (April 2021) session of the 121st (April 2021) GRSG working party session
Report of GRSG on its 121st (April 2021) session of the 121st (April 2021) GRSG working party session
Reference Number:
GRSG/100
Meeting Session(s):
121st GRSG session (12-16 Apr 2021)
Document date:
04 May 21
View full document file for more information
Report of the 121st session of
GRSG