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Informal Working Group on Automated Driving Systems | Session 17 | 8-12 ...
Simplification of Lighting and Light-Signalling Regulations | Session 75...
Task Force on the Fitness of GRVA Regulations for Application to ADS Veh...
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EDR/DSSAD Subgroup on EDR | Session 45 | 16 Dec
Informal Working Group on Artificial Intelligence | Session 4 | 17 Dec
Task Force on Advanced Driver Assistance Systems | Session 44 | 17 Dec
Task Force on the Fitness of GRVA Regulations for Application to ADS Veh...
Informal Working Group on Automated Driving Systems | Session 18 | 12 Ja...
Working Party on Automated and Connected Vehicles | Session 24 | 19-23 ...
Informal Working Group on Artificial Intelligence | Session 5 | 19 Jan 2026
Electric Vehicles and the Environment | Session 93 | 20-21 Jan 2026
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Proposal for a new UN Regulation with regard to fuel system integrity and safety of electric power train in the event of a rear-end collision
Reference Number: WP.29/2020/76

Proposal for a new UN Regulation for the type approval of M1 vehicles with a total permissible mass not exceeding 3,500 kg and of N1 with regard to fuel integrity and safety of high voltage systems in case of a rear-end collision. This proposal aligns rear impact (UN R34) and electric vehicle safety (UN R100) requirements with the new EU General Safety Regulation and with GTR 20 on electric vehicle safety.

Meeting Sessions: 181st WP.29 session (24 Jun 2020)
Document date: 03 Apr 20
Document status: Adopted text published
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
Adoption Vote
This proposal (WP.29/2020/76) was adopted by the World Forum. Forty-three Contracting Parties out of the 0 applying UN R153 were present for the vote by AC.1. Forty-one voted in favor with zero against and two abstaining.
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Download from UNECE: .pdf format .docx format
UN R153: Proposal for Supplement 1
Reference Number: WP.29/2020/114

GRSP proposal to align the definition of REESS with UN R100.

Meeting Sessions: 182nd WP.29 session (10-12 Nov 2020)
Document date: 21 Aug 20
Document status: Adopted by WP.29
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
Adoption Vote
This proposal (WP.29/2020/114) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 56 applying UN R153 were present for the vote by AC.1. Thirty-eight voted in favor with zero against and one abstaining.
View full document file for more information
Download from UNECE: .pdf format .docx format
UN R153: Proposal for Supplement 2 to the original version
Reference Number: WP.29/2021/127

Proposal from GRSP to clarify the definition of “specific voltage condition”.

Meeting Sessions: 185th WP.29 session (23-26 Nov 2021)
Document date: 01 Sep 21
Document status: Adopted by WP.29
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
Adoption Vote
This proposal (WP.29/2021/127) was adopted by the World Forum. Forty Contracting Parties out of the 56 applying UN R153 were present for the vote by AC.1. Thirty-eight voted in favor with zero against and two abstaining.
View full document file for more information
Download from UNECE: .pdf format .docx format
UN R153: Proposal for Supplement 3
Reference Number: WP.29/2023/56

Proposal to clarify the conditions under which variations of a vehicle can be covered under a single vehicle type without having to apply for a separate approval for another type. The proposal amends certain current provisions that explicitly state that differences will only cause a new type of vehicle if the differences affect the results of the impact test and clarifies the application of this principle across the regulation.

Meeting Sessions: 190th WP.29 session (19-22 Jun 2023)
Document date: 30 Mar 23
Document status: Adopted by WP.29
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
Adoption Vote
This proposal (WP.29/2023/56) was adopted by the World Forum. Thirty-five Contracting Parties out of the 58 applying UN R153 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
View full document file for more information
Download from UNECE: .pdf format .docx format
UN R153: Proposal for Supplement 4
Reference Number: WP.29/2023/125

Proposal to introduce requirements for the post-crash safety of hydrogen-fuelled vehicles based on the Amendment 1 to UN GTR No. 13 (Hydrogen and Fuel Cells Vehicles).

Meeting Sessions: 191st WP.29 session (13-16 Nov 2023)
Document date: 31 Aug 23
Document status: Adopted by WP.29
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
Adoption Vote
This proposal (WP.29/2023/125) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 58 applying UN R153 were present for the vote by AC.1. Thirty-nine voted in favor with zero against and zero abstaining.
View full document file for more information
Download from UNECE: .pdf format .docx format
UN R153: Proposal for a 01 series of amendments
Reference Number: WP.29/2024/120

Proposal to introduce provisions for post-impact REESS fire hazard assessment, introduce additional definitions, update references to the three-dimensional “H” point measurement and calibration procedure, and otherwise clarify and correct the text.

Meeting Sessions: 194th WP.29 session (11-15 Nov 2024)
Document date: 26 Aug 24
Document status: Adopted by WP.29
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
Adoption Vote
This proposal (WP.29/2024/120), as amended by para. 103, was adopted by the World Forum. Thirty-nine Contracting Parties out of the 59 applying UN R153 were present for the vote by AC.1. Thirty-nine voted in favor with zero against and zero abstaining.
View full document file for more information
Download from UNECE: .pdf format .docx format
UN R153: Proposal to amend document WP.29/2024/120
Reference Number: WP.29-194-14
Meeting Sessions: 194th WP.29 session (11-15 Nov 2024)
Document date: 17 Oct 24
Document status: Formal WP.29 review
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision
View full document file for more information
Download from UNECE: .pdf format .docx format
UN R153: Proposal for a Supplement 1 to the 01 series of amendments
Reference Number: GRSP/2025/35

Proposal to enable application of the regulation to vehicles equipped with an Automated Driving System (ADS).

Meeting Sessions: 78th GRSP session (1-4 Dec)
Document date: 19 Sep 25
Document status: Formal GR review
Relevant to
UN Regulation No. 153 | Fuel System Integrity and Electric Power Train in a Rear-End Collision and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles
View full document file for more information
Download from UNECE: .pdf format .docx format
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UN Regulation No. 153
Fuel System Integrity and Electric Power Train in a Rear-End Collision
Overseen by GRSP
Series, Supplements, and Corrigenda
Original text
Supplement 1
Supplement 2
Supplement 3
Supplement 4
01 series of amendments
Supplement 1
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