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Latest Documents

1 Aug 2025 | A-LCA: Agenda for the 27th (September 2025) session | A-LCA-27-01
1 Aug 2025 | Minutes of the 48th (November 2025) IWVTA informal group session | I...
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1 Aug 2025 | UN R51: Draft guidance on interpretation of the footnote on generate...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
1 Aug 2025 | UN R51: Proposal for corrections to the 03 series of amendments | R...
(9 posted today) (45 posted during the past week)
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
Download from UNECE: .pdf format
Minutes of the 48th (November 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
Download from UNECE: .docx format
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
Download from UNECE: .docx format
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
Download from UNECE: .docx format
UN R51: Draft guidance on interpretation of the footnote on generated sounds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
Download from UNECE: .docx format
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
Download from UNECE: .docx format
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
Download from UNECE: .docx format
UN R51: Proposal for corrections to the 03 series of amendments

This proposal concerns primarily amendments to Annex 7 of UN Regulation No. 51. The proposed changes are based on the 03 series of amendment to UN Regulation No. 51 up to Supplement 10.

Reference Number: R51/R138-13-02
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
Download from UNECE: .docx format

Upcoming Meetings

RD-ASEP R51/R138 Subgroup | Session 13 | 6 Aug
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Latest Changes to Regulations

5 Aug 2024 GTR No. 21 | Amendment 1 | Appendix 1
Regulation: GTR No. 21 | Electric Vehicle System Power Determination
Document: GTR No. 21
5 Aug 2024 GTR No. 21 | Amendment 1
Regulation: GTR No. 21 | Electric Vehicle System Power Determination
Document: GTR No. 21
5 Aug 2024 GTR No. 22 | Amendment 1 | Appendix 1
Regulation: GTR No. 22 | Electrified Vehicle Battery Durability
Document: GTR No. 22
5 Aug 2024 GTR No. 22 | Amendment 1
Regulation: GTR No. 22 | Electrified Vehicle Battery Durability
Document: GTR No. 22
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