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2025


4 Apr	UN R17: Proposal for a 12 series of amendments	WP.29/2025/46	2025-04-04
21 May	UN R17: Proposal for a 12 series of amendments	WP.29/2025/46/Corr.1	2025-05-21
11 Apr	UN R173: Proposal for a 01 series of amendments	WP.29/2025/47	2025-04-11
14 Apr	UN R174: Proposal for a 01 series of amendments	WP.29/2025/48	2025-04-14
14 Apr	UN R16: Proposal for supplement 1 to the 10 series of amendments	WP.29/2025/49	2025-04-14
14 Apr	UN R44: Proposal for Supplement 19 to the 04 series of amendments	WP.29/2025/50	2025-04-14
14 Apr	UN R129: Proposal for Supplement 12 to the 03 series of amendments	WP.29/2025/51	2025-04-14
14 Apr	UN R129: Proposal for Supplement 3 to the 04 series of amendments	WP.29/2025/52	2025-04-14
15 Apr	UN R134: Proposal for Supplement 2 to the 02 series of amendments	WP.29/2025/53	2025-04-15
21 May	UN R134: Corridendum to document WP.29/2025/53	WP.29/2025/53/Corr.1	2025-05-21
14 Apr	UN R170: Proposal for Supplement 1	WP.29/2025/54	2025-04-14
11 Apr	UN R173: Proposal for Supplement 1	WP.29/2025/55	2025-04-11
4 Apr	UN R175: Proposal for a 01 series of amendments	WP.29/2025/56	2025-04-04
4 Apr	UN R13: Proposal for a Supplement 7 to the 12 series of amendments	WP.29/2025/57	2025-04-04
4 Apr	UN R13: Proposal for a Supplement 5 to the 13 series of amendments	WP.29/2025/58	2025-04-04
4 Apr	UN R13: Proposal for a Supplement 2 to the 14 series of amendments	WP.29/2025/59	2025-04-04
4 Apr	UN R13: Proposal for a Supplement 1 to the 15 series of amendments	WP.29/2025/60	2025-04-04
7 Apr	UN R79: Proposal for a Supplement 13 to the 03 series of amendments	WP.29/2025/61	2025-04-07
8 Apr	UN R79: Proposal for a Supplement 8 to the 04 series of amendments	WP.29/2025/62	2025-04-08
8 Apr	UN R157: Proposal for a Supplement 6	WP.29/2025/63	2025-04-08
8 Apr	UN R157: Proposal for a Supplement 4 to the 01 series of amendments	WP.29/2025/64	2025-04-08
7 Apr	UN R171: Proposal for a Supplement 2	WP.29/2025/65	2025-04-07
9 Apr	UN R41: Proposal for a 06 series of amendments	WP.29/2025/66	2025-04-09
9 Apr	UN R9: Proposal for Supplement 3 to the 08 series of amendments	WP.29/2025/67	2025-04-09
9 Apr	UN R30: Proposal for Supplement 27 to the 02 series of amendments	WP.29/2025/68	2025-04-09
9 Apr	UN R41: Proposal for Supplement 12 to the 04 series of amendments	WP.29/2025/69	2025-04-09
9 Apr	UN R41: Proposal for Supplement 4 to the 05 series of amendments	WP.29/2025/70	2025-04-09
10 Apr	UN R54: Proposal for Supplement 28	WP.29/2025/71	2025-04-10
10 Apr	UN R75: Proposal for Supplement 21	WP.29/2025/72	2025-04-10
10 Apr	UN R108: Proposal for Supplement 1 to the 01 series of amendments	WP.29/2025/73	2025-04-10
10 Apr	UN R109: Proposal for Supplement 1 to the 01 series of amendments	WP.29/2025/74	2025-04-10
10 Apr	UN R117: Proposal for Supplement 17 to the 02 series of amendments	WP.29/2025/75	2025-04-10
10 Apr	UN R117: Proposal for Supplement 3 to the 04 series of amendments	WP.29/2025/76	2025-04-10
10 Apr	UN R142: Proposal for Supplement 2 to the 01 series of amendments	WP.29/2025/77	2025-04-10
10 Apr	UN R172: Proposal for Supplement 1	WP.29/2025/78	2025-04-10
14 Apr	Emergency Lane Keeping Systems (ELKS): Proposal for a new UN Regulation	WP.29/2025/79	2025-04-14
15 Apr	CLIV informal group status report to WP.29	WP.29/2025/80	2025-04-15
15 Apr	Children left in vehicles: Request for authorization to develop a new UN GTR	WP.29/2025/81	2025-04-15
14 Apr	UN R35: Proposal for Supplement 1 to the 01 series of amendments	WP.29/2025/82	2025-04-14
14 Apr	UN R61: Proposal for Supplement 4	WP.29/2025/83	2025-04-14
9 Apr	GTR 24: Proposal for Amendment 2	WP.29/2025/84	2025-04-09
9 Apr	GTR 24: Final status report on the development of Amendment 2	WP.29/2025/85	2025-04-09
14 Apr	Automated Driving Systems: Second GRVA progress report	WP.29/2025/86	2025-04-14
11 Apr	UN R131: Proposal for a Supplement 4 to the 01 series of amendments	WP.29/2025/87	2025-04-11
11 Apr	UN R131: Proposal for a Supplement 2 to the 02 series of amendments	WP.29/2025/88	2025-04-11
11 Apr	UN R152: Proposal for a Supplement 8	WP.29/2025/89	2025-04-11
11 Apr	UN R152: Proposal for a Supplement 7 to the 01 series of amendments	WP.29/2025/90	2025-04-11
11 Apr	UN R152: Proposal for a Supplement 5 to the 02 series of amendments	WP.29/2025/91	2025-04-11

UN R17: Proposal for a 12 series of amendments
Reference Number: WP.29/2025/46
Proposal to improve the whiplash protection of occupants of smaller stature and, in particular, of female drivers.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 04 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 17 \| Strength of Seats, Anchorages, and Head Restraints
Adoption Vote
This proposal (WP.29/2025/46) was adopted by the World Forum. Thirty-five Contracting Parties out of the 54 applying UN R17 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
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UN R17: Proposal for a 12 series of amendments
Reference Number: WP.29/2025/46/Corr.1
Proposal to improve the whiplash protection of occupants of smaller stature and, in particular, of female drivers.Proposal to improve the whiplash protection of occupants of smaller stature and, in particular, of female drivers.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 21 May 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 17 \| Strength of Seats, Anchorages, and Head Restraints
Adoption Vote
This proposal (WP.29/2025/46/Corr.1) was adopted by the World Forum. Thirty-five Contracting Parties out of the 54 applying UN R17 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
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UN R173: Proposal for a 01 series of amendments
Reference Number: WP.29/2025/47
Proposal to limit slack of the safety-belt buckle in rear seats.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 11 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 173 \| Installation of safety belts, restraint systems, child restraint systems, ISOFIX child restraint systems and i-Size child restraint systems
Adoption Vote
This proposal (WP.29/2025/47) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 61 applying UN R173 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R174: Proposal for a 01 series of amendments
Reference Number: WP.29/2025/48
Proposal for a 01 series of amendments) Proposal to clarify: (a) exemption of the presence of SBR on folding seats, (b) first level of warning tests with transmission in neutral position, and (c) interference of devices for remote starting of vehicles with SBR.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 14 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 174 \| UN Regulation on Safety-Belt Reminders
Adoption Vote
This proposal (WP.29/2025/48) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 61 applying UN R174 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R16: Proposal for supplement 1 to the 10 series of amendments
Reference Number: WP.29/2025/49
Proposal to clarify how to perform the buckle-opening test under paragraph 7.8. of the text and to update references to the three-dimensional “H” point measurement and calibration procedure pursuant to the transposition of these provisions from the Consolidated Resolution on the Construction of Vehicles (RE3) to Mutual Resolution No. 1.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 14 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 16 \| Safety belts and related systems
Adoption Vote
This proposal (WP.29/2025/49) was adopted by the World Forum. Thirty-four Contracting Parties out of the 52 applying UN R16 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R44: Proposal for Supplement 19 to the 04 series of amendments
Reference Number: WP.29/2025/50
Proposal to cease approvals under UN R44 for new types of built-in child restraint systems (given that these CRS are covered by UN R129 and UN R170).
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 14 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 44 \| Child Restraint Systems
Adoption Vote
This proposal (WP.29/2025/50) was adopted by the World Forum. Thirty-four Contracting Parties out of the 49 applying UN R44 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R129: Proposal for Supplement 12 to the 03 series of amendments
Reference Number: WP.29/2025/51
Proposal to clarify the prerequisites for the granting of type approval numbers for “Enhanced Child Restraint Systems”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 14 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 129 \| Enhanced Child Restraint Systems
Adoption Vote
This proposal (WP.29/2025/51) was adopted by the World Forum. Thirty-six Contracting Parties out of the 59 applying UN R129 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.
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UN R129: Proposal for Supplement 3 to the 04 series of amendments
Reference Number: WP.29/2025/52
Proposal to clarify the prerequisites for the granting of type approval numbers for “Enhanced Child Restraint Systems”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 14 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 129 \| Enhanced Child Restraint Systems
Adoption Vote
This proposal (WP.29/2025/52) was adopted by the World Forum. Thirty-six Contracting Parties out of the 59 applying UN R129 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.
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UN R134: Proposal for Supplement 2 to the 02 series of amendments
Reference Number: WP.29/2025/53
Proposal to align UN R134 with Amendment 1 to GTR 13.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 15 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 134 \| Hydrogen fuel cell vehicle safety
Adoption Vote
This proposal (WP.29/2025/53) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 59 applying UN R134 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R134: Corridendum to document WP.29/2025/53
Reference Number: WP.29/2025/53/Corr.1
Correction to an error in paragraph 5.2. of the original proposal.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 21 May 25
Document status: Formal WP.29 review
Relevant to UN Regulation No. 134 \| Hydrogen fuel cell vehicle safety
Adoption Vote
This proposal (WP.29/2025/53/Corr.1) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 59 applying UN R134 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R170: Proposal for Supplement 1
Reference Number: WP.29/2025/54
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 14 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 170 \| Child Restraint Systems for Buses and Coaches
Adoption Vote
This proposal (WP.29/2025/54) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 59 applying UN R170 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R173: Proposal for Supplement 1
Reference Number: WP.29/2025/55
Proposal to correct an erroneous table reference.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 11 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 173 \| Installation of safety belts, restraint systems, child restraint systems, ISOFIX child restraint systems and i-Size child restraint systems
Adoption Vote
This proposal (WP.29/2025/55) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 61 applying UN R173 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R175: Proposal for a 01 series of amendments
Reference Number: WP.29/2025/56
Proposal to include provisions for the approval of ACPE for vehicles of Category N1 and to introduce additional performance requirements for additional scenarios.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 04 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 175 \| Acceleration Control for Pedal Error
Adoption Vote
This proposal (WP.29/2025/56) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 61 applying UN R175 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R13: Proposal for a Supplement 7 to the 12 series of amendments
Reference Number: WP.29/2025/57
Proposal to mitigate the risks of decreasing trailer brake performance caused by brake pads and linings “falling asleep”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 04 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Adoption Vote
This proposal (WP.29/2025/57) was adopted by the World Forum. Thirty-four Contracting Parties out of the 53 applying UN R13 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R13: Proposal for a Supplement 5 to the 13 series of amendments
Reference Number: WP.29/2025/58
Proposal for amendments) Proposal to mitigate the risk of decreasing trailer brake performance caused by brake pads and linings “falling asleep”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 04 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Adoption Vote
This proposal (WP.29/2025/58) was adopted by the World Forum. Thirty-four Contracting Parties out of the 53 applying UN R13 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
View full document file for more information

UN R13: Proposal for a Supplement 2 to the 14 series of amendments
Reference Number: WP.29/2025/59
Proposal to mitigate risks of decreasing trailer brake performance caused by brake pads and linings “falling asleep”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 04 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Adoption Vote
This proposal (WP.29/2025/59) was adopted by the World Forum. Thirty-four Contracting Parties out of the 53 applying UN R13 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
View full document file for more information

UN R13: Proposal for a Supplement 1 to the 15 series of amendments
Reference Number: WP.29/2025/60
Proposal for amendments) Proposal to mitigate the risks of decreasing trailer brake performance caused by brake pads and linings “falling asleep”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 04 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 13 \| Heavy-Duty Vehicle Braking
Adoption Vote
This proposal (WP.29/2025/60) was adopted by the World Forum. Thirty-four Contracting Parties out of the 53 applying UN R13 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R79: Proposal for a Supplement 13 to the 03 series of amendments
Reference Number: WP.29/2025/61
Proposal to improve terminology concerning the status of the ACSF system following an “engine start / run cycle” and to clarify provisions for full power steering systems such as steer-by-wire systems.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 07 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 79 \| Steering Equipment
Adoption Vote
This proposal (WP.29/2025/61) was adopted by the World Forum. Thirty-five Contracting Parties out of the 50 applying UN R79 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
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UN R79: Proposal for a Supplement 8 to the 04 series of amendments
Reference Number: WP.29/2025/62
Proposal to improve terminology concerning the status of the system following an “engine start / run cycle” and to clarify provisions for full power steering systems such as steer-by-wire systems.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 08 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 79 \| Steering Equipment
Adoption Vote
This proposal (WP.29/2025/62) was adopted by the World Forum. Thirty-five Contracting Parties out of the 50 applying UN R79 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
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UN R157: Proposal for a Supplement 6
Reference Number: WP.29/2025/63
Proposal on terminology about the status of the system following an “engine start / run cycle”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 08 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 157 \| Automated Lane-Keeping Systems (ALKS)
Adoption Vote
This proposal (WP.29/2025/63) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 59 applying UN R157 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R157: Proposal for a Supplement 4 to the 01 series of amendments
Reference Number: WP.29/2025/64
Proposal for terminology about the status of the system following an “engine start / run cycle”, to limit regular lane changes to roads “where it is possible to assess and handle the speed of an approaching vehicle” and to restrict lane changes by heavy vehicles (M₃ and N₃) to roads where the maximum permissible speed of target lane is “limited for all vehicle categories”, and to simplify the original text.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 08 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 157 \| Automated Lane-Keeping Systems (ALKS)
Adoption Vote
This proposal (WP.29/2025/64) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 59 applying UN R157 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R171: Proposal for a Supplement 2
Reference Number: WP.29/2025/65
Proposal for improvements to the text.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 07 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 171 \| Driver-Control Assistance Systems (DCAS)
Adoption Vote
This proposal (WP.29/2025/65) was adopted by the World Forum. Thirty-seven Contracting Parties out of the 61 applying UN R171 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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UN R41: Proposal for a 06 series of amendments
Reference Number: WP.29/2025/66
Proposal to Update the RD-ASEP limit line following the revisions of the test procedures implemented by the 05 series of amendments, Clarify the application of the Annex 7 ASEP testing conditions of motorcycles, Strengthen provisions against test defeating, Facilitate Conformity of Production testing, and Correct the communication document.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 09 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 41 \| Motorcycle Noise
Adoption Vote
This proposal (WP.29/2025/66) was adopted by the World Forum. Thirty-four Contracting Parties out of the 51 applying UN R41 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
View full document file for more information

UN R9: Proposal for Supplement 3 to the 08 series of amendments
Reference Number: WP.29/2025/67
Proposal to allow the use of the test track as specified in ISO 10844:2021.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 09 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 9 \| Three-Wheeled Cycle Noise
Adoption Vote
This proposal (WP.29/2025/67) was adopted by the World Forum. Thirty-one Contracting Parties out of the 48 applying UN R9 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining.
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UN R30: Proposal for Supplement 27 to the 02 series of amendments
Reference Number: WP.29/2025/68
Proposal to: Update reference to ISO 4000-1:2024 (published in March 2024) Clarify the structure indication within the tyre size designation for run flat or self-supporting tyres suitable for speeds in excess of 240 km/h (inscription “ZRF”) Clarify the nominal rim diameter. Amend the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators. Introduce definition of tread depth (used in the requirements for special use and professional off-road tyres) Clarify the calculation of tyre section width Claify the D_max requirement for snow tyres.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 09 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 30 \| Pneumatic Tires
Adoption Vote
This proposal (WP.29/2025/68), as amended by para. 72, was adopted by the World Forum. Thirty-five Contracting Parties out of the 55 applying UN R30 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

UN R41: Proposal for Supplement 12 to the 04 series of amendments
Reference Number: WP.29/2025/69
Proposal to strengthen provisions against test defeating and to facilitate Conformity of Production testing.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 09 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 41 \| Motorcycle Noise
Adoption Vote
This proposal (WP.29/2025/69) was adopted by the World Forum. Thirty-four Contracting Parties out of the 51 applying UN R41 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
View full document file for more information

UN R41: Proposal for Supplement 4 to the 05 series of amendments
Reference Number: WP.29/2025/70
Proposal to Clarify the application of the Annex 7 ASEP testing conditions of motorcycles, Strengthen provisions against test defeating, Facilitate Conformity of Production testing, and Correct the communication document.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 09 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 41 \| Motorcycle Noise
Adoption Vote
This proposal (WP.29/2025/70) was adopted by the World Forum. Thirty-four Contracting Parties out of the 51 applying UN R41 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
View full document file for more information

UN R54: Proposal for Supplement 28
Reference Number: WP.29/2025/71
Proposal to 1. Add a generic reference to the Consolidated Resolution on the Construction of Vehicles (R.E.3) in footnote 1 Make editorial corrections to the type of tyre and additional service description definitions Clarify the definition of nominal rim diameter (in line with the proposal for amending UN R30) Amend the definition of principal grooves (in line with the proposal for amending UN R30 Introduce a definition for tread depth (used in the requirements for special use and professional off-road tyres) Introduce definition for free rolling tyre and front axle, and related revision of markings (ref. GRBP-80-03 and GRBP-80-26) Clarify the D_max requirement for snow tyres Simplify rhz wording of the requirements for professional off-road tyres Add an indication for whether a special use tyre is a professional off-road tyre to the communication form (in line with UN R30).
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 54 \| Commercial Vehicle Tyres
Adoption Vote
This proposal (WP.29/2025/71), as amended by para. 72, was adopted by the World Forum. Thirty-five Contracting Parties out of the 55 applying UN R54 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining.
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UN R75: Proposal for Supplement 21
Reference Number: WP.29/2025/72
Proposal to Add a generic reference to the Consolidated Resolution on the Construction of Vehicles (R.E.3) in footnote 5. align the categories of use to “normal tyre”, “snow tyre” and “specialuse tyre” in line with UN R30 and 54, to introduce a definition of “normal tyre” and consequently make use of the terms “snow tyre” and “special-use tyre” that are already defined reformat Annex 5, Table 7 to present the tyre-size designations in a consistent way and to provide explicitly that tyre-size designations from this table may also be used for tyres in bias-beltedvstructure Include the suffix “M/C” that is defined as mandatory for motor-cycle tyres with rim diameter code 13 and above in the figure illustrating the sidewall markings in Annex 3 and to present the markings in a clearer way Add provisions for the dimensional requirements of moped tyres Add a factor for the centrifugal radius of snow tyres and special-use tyres with a speed category above 210 km/h Give the footnotes in the main body of the regulation an unequivocal number to avoid confusion when referencing to a particular footnote Include several editorial corrections to increase the consistency of the text (e.g. consistent use of the terms defined in section 2, such as “tyre-size designation”, “load-capacity index”, “speed-category symbol”).
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 75 \| Motorcycle and Moped Tires
Adoption Vote
This proposal (WP.29/2025/72), as amended by para. 72, was adopted by the World Forum. Thirty-four Contracting Parties out of the 52 applying UN R75 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R108: Proposal for Supplement 1 to the 01 series of amendments
Reference Number: WP.29/2025/73
Proposal to: Correct the description of a tyre to exclude aspects outside the scope of UN R108 Align the snow tyre definition to UN R109 and 172 Clarify the definition of nominal rim diameter Clarify the definition of principal grooves by eliminating the circular reference between this definition and the position of tread wear indicators Introduce a definition for tread depth (used in the requirements for special use and professional off-road tyres) Amend para. 4.1.5.3.2. to remove the retreaded reference to traction tyre classification because it is not applicable to tyre of class C1 Clarify the calculation of the tyre section width Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.</li< Correct an omission Clarify the text of Annex 3: The positioning and order of the markings shall be as follows:….
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 108 \| Retreaded Tires for Motor Vehicles
Adoption Vote
This proposal (WP.29/2025/73), as amended by para. 72, was adopted by the World Forum. Thirty-three Contracting Parties out of the 54 applying UN R108 were present for the vote by AC.1. Thirty-three voted in favor with zero against and zero abstaining.
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UN R109: Proposal for Supplement 1 to the 01 series of amendments
Reference Number: WP.29/2025/74
Proposal to: Correct the description of a tyre to exclude aspects outside the scope of UN R109 Clarify the definition of nominal rim diameter Clarify the definition of principal grooves in line with the proposal for UN R54 Amend para. 6.4.4.2. to clarify that the UN R117 certificate may be used for obtaining the type approval under UN R172 of retreaded tyres classified as traction tyre Simplify the wording of the requirements for professional off-road tyres Replace “XXX” with the UN Regulation No. 172 in the references to the approval of retreaded tyres with regard to their snow performance and/or classification as traction tyre.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 109 \| Retreaded Tires for Commercial Vehicles
Adoption Vote
This proposal (WP.29/2025/74) was adopted by the World Forum. Thirty-three Contracting Parties out of the 54 applying UN R109 were present for the vote by AC.1. Thirty-three voted in favor with zero against and zero abstaining.
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UN R117: Proposal for Supplement 17 to the 02 series of amendments
Reference Number: WP.29/2025/75
Proposal to Update standard reference to ASTM F2493-24 and ISO 4000-1:2024 Align the definitions of tread groove and principal grooves with proposals for UN R30 and R54 Simplify the wording of the requirements for professional off-road tyres Correct the transitional provision in paragraph 12.23. to specify approvals “first issued after 31 August 2028”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Adoption Vote
This proposal (WP.29/2025/75) was adopted by the World Forum. Thirty-four Contracting Parties out of the 57 applying UN R117 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R117: Proposal for Supplement 3 to the 04 series of amendments
Reference Number: WP.29/2025/76
Proposal to standardize provisions for the water depth measurement, reduce the track friction range requirements under the test procedures, clarfy that adhesion performance on wet surfaces (wet adhesion) is required not only for C1 tyres, but also C2 and C3 tyres, update the standards references to ASTM F2493-244, F3611-24, F3676-24, F3675-24 and ISO 4000-1:2024, align the definitions of tread groove and principal grooves with proposals for UN R30 and R54, simplify the wording of the requirements for professional off-road tyres, and correct the transitional provision in paragraph 12.23. to specify approvals “first issued after 31 August 2028”.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Adoption Vote
This proposal (WP.29/2025/76), as amended by para. 72, was adopted by the World Forum. Thirty-four Contracting Parties out of the 57 applying UN R117 were present for the vote by AC.1. Thirty-four voted in favor with zero against and zero abstaining.
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UN R142: Proposal for Supplement 2 to the 01 series of amendments
Reference Number: WP.29/2025/77
Proposal to: Add a generic reference to the Consolidated Resolution on the Construction of Vehicles (R.E.3) in footnote 1 Align title of para. 5 with its contents (paras. 5.1. and 5.2.) Align the title of para. 6 with corresponding paras. in UN R30, 54, 75, 106 and 117</li< Clarify that all temporary use spare units can by composed by using tyres of any category of use Align the snow tyre definition with UN R30, 54 and 117 Clarify that tyres for use in severe snow conditions are also applicable to the category of use ‘special use tyres’ Clarify which service conditions can apply the coefficient given in paragraphs 5.2.4.3.1. and 5.2.4.3.2. Add Class C3 tyres to the speed category symbol and load capacity index definitions Introduce definitions of free rolling tyre and front axle and revise markings accordingly (ref. documents GRBP-80-03 and GRBP-80-26) Clarify reporting the name of the symbols used for tyre for use in severe snow conditions in line with UN R117 and 164.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 142 \| Tyre Installation
Adoption Vote
This proposal (WP.29/2025/77), as amended by para. 72, was adopted by the World Forum. Thirty-six Contracting Parties out of the 58 applying UN R142 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.
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UN R172: Proposal for Supplement 1
Reference Number: WP.29/2025/78
Proposal to: Add new reference tyres C3 SRTTs 19.5 and 22.5 siped and related transitional provisions Simplify the wording of the requirements for professional off-road tyres Make editorial corrections where needed throughout the text.
Meeting Sessions: 196th WP.29 session (23-27 Jun)
Document date: 10 Apr 25
Document status: Adopted by WP.29
Relevant to UN Regulation No. 172 \| Retreaded tyres: Snow performance and/or traction classification
Adoption Vote
This proposal (WP.29/2025/78), as amended by para. 72, was adopted by the World Forum. Thirty-seven Contracting Parties out of the 61 applying UN R172 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and zero abstaining.
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