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2026 2025 2024

UN R173: Proposal for Supplement 2 to the 01 series of amendments

Reference Number: GRSP-78-41

Meeting Sessions: 78th GRSP session (1-4 Dec 2025)

Document date: 02 Dec 25

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 and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles

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UN R173: Comments on the proposal to amend for applicability to ADS vehicles

Reference Number: GRSP-TF-AVRS-21-09

Submitted by: OICA

Meeting Sessions: 21st GRSP-TF-AVRS session (24 Nov 2025)

Document date: 21 Nov 25

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UN R173: Proposal for a Supplement 2 to the 01 series of amendments

Reference Number: GRSP/2025/25

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

Meeting Sessions: 78th GRSP session (1-4 Dec 2025)

Document date: 22 Sep 25

Document status: Formal GR review

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UN R173 and STCBC: Gabarit Installation

Reference Number: STCBC-TF173-03-02

Submitted by: IDIADA

Meeting Sessions: 3rd STCBC-TF173 session (15 Sep 2025)

Document date: 19 Sep 25

Relevant to

UN Regulation No. 170 | Child Restraint Systems for Buses and Coaches and UN Regulation No. 173 | Installation of safety belts, restraint systems, child restraint systems, ISOFIX child restraint systems and i-Size child restraint systems

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STCBC UN R173 Task Force: Agenda for the 3rd (September 2025) session

Reference Number: STCBC-TF173-03-01

Meeting Sessions: 3rd STCBC-TF173 session (15 Sep 2025)

Document date: 19 Sep 25

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UN R173: STCBC UN R173 task force markup

Reference Number: STCBC-TF173-01-03

Meeting Sessions: 1st STCBC-TF173 session (10 Jun 2025)

Document date: 10 Jun 25

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UN R173: Draft text marked up by STCBC informal group

Reference Number: STCBC-TF173-01-02

Meeting Sessions: 1st STCBC-TF173 session (10 Jun 2025)

Document date: 10 Jun 25

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

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STCBC UN R173 Task Force: Agenda for the 1st (June 2025) session

Reference Number: STCBC-TF173-01-01

Meeting Sessions: 1st STCBC-TF173 session (10 Jun 2025)

Document date: 10 Jun 25

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UN R173: Proposal to enable application to ADS vehicles

Reference Number: GRSP-TF-AVRS-19-08

Meeting Sessions: 19th GRSP-TF-AVRS session (1 Sep 2025)

Document date: 04 Sep 25

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UN R173: Proposal for a Supplement 1 to the 01 series of amendments
Reference Number: WP.29/2025/134
Meeting Sessions: 197th WP.29 session (10-14 Nov 2025)
Document date: 20 Aug 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.29/2025/134) was adopted by the World Forum. Forty-one Contracting Parties out of the 61 applying UN R173 were present for the vote by AC.1. Forty-one voted in favor with zero against and zero abstaining.
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UN R173: Working draft proposals for amendments

Reference Number: STCBC-26-03

Meeting Sessions: 26th STCBC session (29 Apr 2025)

Document date: 29 Apr 25

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Children in Buses and Coaches: Agenda for the 27th (June 2025) session

Reference Number: STCBC-27-01

Meeting Sessions: 27th STCBC session (17 Jun 2025)

Document date: 06 Jun 25

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UN R173: Proposal for Supplement 1 to the 01 series of amendments

Reference Number: GRSP-77-55

Proposal to update the captions underneath multiple ISO envelope
drawings in appendix 2 to annex 6, including adding references to UN Regulation No. 129.

Submitted by: Netherlands

Meeting Sessions: 77th GRSP session (5-9 May 2025)

Document date: 08 May 25

Document status: Superseded

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

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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 2025)
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 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 2025)
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 R173: Draft amendments for adaptation to ADS vehicles

Reference Number: GRSP-TF-AVRS-14-04

Meeting Sessions: 14th GRSP-TF-AVRS session (16 Apr 2025)

Document date: 08 Apr 25

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

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UN R173: Proposal for a Supplement 2 to the original text and 01 series of amendments

Reference Number: GRSP-77-72

Proposal from the GRSP AVRS task force to enable application of UN R173 to ADS vehicles.

Meeting Sessions: 77th GRSP session (5-9 May 2025)

Document date: 07 Apr 25

Document status: Superseded

Relevant to

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UN R173: Draft revision for applicability to ADS vehicles

Reference Number: GRSP-TF-AVRS-13-02

Meeting Sessions: 13th GRSP-TF-AVRS session (3 Apr 2025)

Document date: 01 Apr 25

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UN R173: Proposal for Supplement 1 to the 01 series of amendments

Reference Number: GRSP/2025/5

Proposal to update the options under multiple International Organization for Standardization (ISO) envelope drawings in appendix 2 to annex 6, including adding references to UN R129.

Submitted by: Netherlands

Meeting Sessions: 77th GRSP session (5-9 May 2025)

Document date: 18 Feb 25

Document status: Superseded

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

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Documents 2025 19 documents

8 May 2025 UN R173: Proposal for Supplement 1 to the 01 series of amendments (Netherlands) GRSP-77-55

7 Apr 2025 UN R173: Proposal for a Supplement 2 to the original text and 01 series of amendments GRSP-77-72

2 Dec 2025 UN R173: Proposal for Supplement 2 to the 01 series of amendments GRSP-78-41

1 Apr 2025 UN R173: Draft revision for applicability to ADS vehicles GRSP-TF-AVRS-13-02

8 Apr 2025 UN R173: Draft amendments for adaptation to ADS vehicles GRSP-TF-AVRS-14-04

4 Sep 2025 UN R173: Proposal to enable application to ADS vehicles GRSP-TF-AVRS-19-08

21 Nov 2025 UN R173: Comments on the proposal to amend for applicability to ADS vehicles (OICA) GRSP-TF-AVRS-21-09

18 Feb 2025 UN R173: Proposal for Supplement 1 to the 01 series of amendments (Netherlands) GRSP/2025/5

22 Sep 2025 UN R173: Proposal for a Supplement 2 to the 01 series of amendments GRSP/2025/25

30 Jul 2025 UN R173: Working draft proposals for amendments STCBC-26-03

6 Jun 2025 Children in Buses and Coaches: Agenda for the 27th (June 2025) session STCBC-27-01

19 Sep 2025 UN R173: Draft text marked up by STCBC informal group STCBC-TF173-01-02

19 Sep 2025 UN R173: STCBC UN R173 task force markup STCBC-TF173-01-03

19 Sep 2025 UN R173 and STCBC: Gabarit Installation (IDIADA) STCBC-TF173-03-02

19 Sep 2025 STCBC UN R173 Task Force: Agenda for the 3rd (September 2025) session STCBC-TF173-03-01

19 Sep 2025 STCBC UN R173 Task Force: Agenda for the 1st (June 2025) session STCBC-TF173-01-01

11 Apr 2025 UN R173: Proposal for a 01 series of amendments WP.29/2025/47

11 Apr 2025 UN R173: Proposal for Supplement 1 WP.29/2025/55

20 Aug 2025 UN R173: Proposal for a Supplement 1 to the 01 series of amendments WP.29/2025/134

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