GAR

World Forum for the Harmonization of Vehicle Regulations

19-22 Jun 2023 | Geneva

Agenda Item 4.9.1. Proposal for Supplement 9 to the 03 series of amendments to UN Regulation No. 51 (Noise of M and N categories of vehicles)

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WP.29/2023/71 UN R51: Proposal for Supplement 9 to the 03 series of amendments

UN R51: Proposal for Supplement 9 to the 03 series of amendments

Amendments clarify the procedure of collection and transmission of data on the Real Driving Additional Sound Emission Provisions (RD-ASEP) which starts on 1 July 2023 – the date that was previously fixed by Supplement 7 to the 03 series of amendments. Because the present document, if approved by WP.29 and AC.1 in June 2023, would enter into force later (around January 2024), the World Forum is also invited to call upon the Type Approval Authorities and Technical Services of Contracting Parties to start, already as of 1 July 2023, the collection and transmission of RD-ASEP data

Reference Number:	WP.29/2023/71
Meeting Session(s):	190th WP.29 session (19-22 Jun 2023)
Document date:	23 May 23
Document status:	Adopted by WP.29
Regarding:	UN R51 Vehicle Noise
Adoption Vote
This proposal (WP.29/2023/71) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R51 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining.
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WP.29/2023/71 UN R51: Proposal for Supplement 9 to the 03 series of amendments

UN R51: Proposal for Supplement 9 to the 03 series of amendments

Reference Number:	WP.29/2023/71
Meeting Session(s):	190th WP.29 session (19-22 Jun 2023)
Document date:	23 May 23
Document status:	Adopted by WP.29
Regarding:	UN R51 Vehicle Noise
Adoption Vote
This proposal (WP.29/2023/71) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R51 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining.
View full document file for more information

Download from UNECE:

.pdf format

.docx format

WP.29/2023/71 UN R51: Proposal for Supplement 9 to the 03 series of amendments

UN R51: Proposal for Supplement 9 to the 03 series of amendments

Reference Number:	WP.29/2023/71
Meeting Session(s):	190th WP.29 session (19-22 Jun 2023)
Document date:	23 May 23
Document status:	Adopted by WP.29
Regarding:	UN R51 Vehicle Noise
Adoption Vote
This proposal (WP.29/2023/71) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R51 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining.
View full document file for more information

Download from UNECE:

.pdf format

.docx format

WP.29/2023/71 UN R51: Proposal for Supplement 9 to the 03 series of amendments

UN R51: Proposal for Supplement 9 to the 03 series of amendments

Reference Number:	WP.29/2023/71
Meeting Session(s):	190th WP.29 session (19-22 Jun 2023)
Document date:	23 May 23
Document status:	Adopted by WP.29
Regarding:	UN R51 Vehicle Noise
Adoption Vote
This proposal (WP.29/2023/71) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R51 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining.
View full document file for more information

Download from UNECE:

.pdf format

.docx format

WP.29/2023/71 UN R51: Proposal for Supplement 9 to the 03 series of amendments

UN R51: Proposal for Supplement 9 to the 03 series of amendments

Reference Number:	WP.29/2023/71
Meeting Session(s):	190th WP.29 session (19-22 Jun 2023)
Document date:	23 May 23
Document status:	Adopted by WP.29
Regarding:	UN R51 Vehicle Noise
Adoption Vote
This proposal (WP.29/2023/71) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R51 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining.
View full document file for more information

Download from UNECE:

.pdf format

.docx format

WP.29/2023/71 UN R51: Proposal for Supplement 9 to the 03 series of amendments

UN R51: Proposal for Supplement 9 to the 03 series of amendments

Reference Number:	WP.29/2023/71
Meeting Session(s):	190th WP.29 session (19-22 Jun 2023)
Document date:	23 May 23
Document status:	Adopted by WP.29
Regarding:	UN R51 Vehicle Noise
Adoption Vote
This proposal (WP.29/2023/71) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R51 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining.
View full document file for more information

Download from UNECE:

.pdf format

.docx format

ECE/TRANS/WP.29/GRBP/75, para. 9, based on GRBP-77-13-Rev.1.

Reference Number:	A-LCA-SG5-23-05
Meeting Session(s):	23rd A-LCA-SG5 session (11 Jul)
Document date:	23 Jul 25
Regarding:	Automotive Life Cycle Assessment

Reference Number:	A-LCA-25-02
Meeting Session(s):	25th A-LCA session (22 Jul)
Document date:	23 Jul 25
Regarding:	Automotive Life Cycle Assessment

Reference Number:	GRSG/2025/51
Submitted by:	Australia
Meeting Session(s):	130th GRSG session (6-9 Oct)
Document date:	22 Jul 25
Document status:	Formal GR review
Regarding:	ADDWS

Reference Number:	GRSG/2025/50
Submitted by:	Australia
Meeting Session(s):	130th GRSG session (6-9 Oct)
Document date:	22 Jul 25
Document status:	Formal GR review
Regarding:	DDAW