The R51/R138 subgroup created a Measurement Data folder for reference materials.
| RD-ASEP: UN R51 and R138 questions to be discussed |
| Reference Number: R51/R138-03-09 |
| Meeting Sessions: 3rd R51/R138 session (10-11 Dec 2024) |
| Document date: 13 Jan 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 4th (January 2025) session |
| Reference Number: R51/R138-04-01 |
| Meeting Sessions: 4th R51/R138 session (17 Jan 2025) |
| Document date: 13 Jan 25 |
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Relevant to
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| RD-ASEP: Comments on corrections to the 03 series of amendments |
| Reference Number: R51/R138-04-02 |
| Submitted by: OICA |
| Meeting Sessions: 4th R51/R138 session (17 Jan 2025) |
| Document date: 13 Jan 25 |
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Relevant to
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| View full document file for more information |
| UN R51: Proposal for an update of Supplement 11 to the 03 series of amendments |
| Reference Number: R51/R138-04-03 |
| Submitted by: OICA |
| Meeting Sessions: 4th R51/R138 session (17 Jan 2025) |
| Document date: 15 Jan 25 |
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Relevant to
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| R51/R138 Subgroup: Minutes of the 3rd (December 2024) session |
| Reference Number: R51/R138-03-08/Rev.1 |
| Meeting Sessions: 3rd R51/R138 session (10-11 Dec 2024) |
| Document date: 15 Jan 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 5th (January 2025) session |
| Reference Number: R51/R138-05-01 |
| Meeting Sessions: 5th R51/R138 session (30 Jan 2025) |
| Document date: 23 Jan 25 |
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Relevant to
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| RD-ASEP, UN R51 and R138: Synthesis of discussions |
| Reference Number: R51/R138-05-02 |
| Meeting Sessions: 5th R51/R138 session (30 Jan 2025) |
| Document date: 29 Jan 25 |
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Relevant to
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| Minutes of the 4th R51/R138 subgroup session |
| Reference Number: R51/R138-05-03 |
| Meeting Sessions: 5th R51/R138 session (30 Jan 2025) |
| Document date: 29 Jan 25 |
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Relevant to
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| RD-ASEP UN R51/R138 subgroup status report to GRBP |
| Reference Number: R51/R138-05-04 |
| Meeting Sessions: 5th R51/R138 session (30 Jan 2025) |
| Document date: 30 Jan 25 |
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Relevant to
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| R51/R138 Subgroup: Minutes of the 5th (January 2025) session |
| Reference Number: R51/R138-05-05 |
| Meeting Sessions: 5th R51/R138 session (30 Jan 2025) |
| Document date: 13 Feb 25 |
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Relevant to
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| UN R51 and R138 RD-ASEP: Questions to be discussed |
| Reference Number: R51/R138-05-06 |
| Meeting Sessions: 5th R51/R138 session (30 Jan 2025) |
| Document date: 19 Feb 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 6th (March 2025) session |
| Reference Number: R51/R138-06-01 |
| Meeting Sessions: 6th R51/R138 session (13 Mar 2025) |
| Document date: 13 Mar 25 |
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Relevant to
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| UN R51/R138 RD-ASEP feedback from the 81st GRBP session and remaining questions |
| Reference Number: R51/R138-06-02 |
| Meeting Sessions: 6th R51/R138 session (13 Mar 2025) |
| Document date: 18 Mar 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 7th (April 2025) session |
| Reference Number: R51/R138-07-01 |
| Meeting Sessions: 7th R51/R138 session (8-10 Apr 2025) |
| Document date: 21 Mar 25 |
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Relevant to
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| UN R138: Questions on RD-ASEP tests |
| Reference Number: R51/R138-07-02 |
| Meeting Sessions: 7th R51/R138 session (8-10 Apr 2025) |
| Document date: 21 Mar 25 |
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Relevant to
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| UN R51: Supplement 11-Timeline and Explanation of Changes in GRBP/2024/22 |
| Reference Number: R51/R138-07-03 |
| Submitted by: OICA |
| Meeting Sessions: 7th R51/R138 session (8-10 Apr 2025) |
| Document date: 08 Apr 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Comments on proposed corrections (Supplement 11 to 03 series) |
| Reference Number: R51/R138-07-05 |
| Meeting Sessions: 7th R51/R138 session (8-10 Apr 2025) |
| Document date: 10 Apr 25 |
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Relevant to
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| UN R51: Proposal for corrections to the 03 series |
| Reference Number: R51/R138-07-04 |
| Submitted by: EC |
| Meeting Sessions: 7th R51/R138 session (8-10 Apr 2025) |
| Document date: 10 Apr 25 |
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Relevant to
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| View full document file for more information |
| R51/R138 Subgroup: Minutes of the 6th (March 2025) session |
| Reference Number: R51/R138-06-03 |
| Meeting Sessions: 6th R51/R138 session (13 Mar 2025) |
| Document date: 10 Apr 25 |
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Relevant to
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| UN R51: Proposal for corrections to the 03 series of amendments |
| Reference Number: R51/R138-08-02 |
|
This proposal concerns primarily amendments to Annex 7 of UN R51. The proposed changes are based on the 03 series of amendment to UN R51 up to Supplement 10. |
| Meeting Sessions: 8th R51/R138 session (30 Apr 2025) |
| Document date: 30 Apr 25 |
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Relevant to
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| View full document file for more information |
| R51/R138 Subgroup: Agenda for the 8th (April 2025) session |
| Reference Number: R51/R138-08-01 |
| Meeting Sessions: 8th R51/R138 session (30 Apr 2025) |
| Document date: 30 Apr 25 |
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Relevant to
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| UN R51: Comments on the draft proposal for a Supplement 11 to the 03 series |
| Reference Number: R51/R138-08-03 |
| Meeting Sessions: 8th R51/R138 session (30 Apr 2025) |
| Document date: 30 Apr 25 |
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Relevant to
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| View full document file for more information |
| R51/R138 Subgroup: Minutes of the 8th (April 2025) session |
| Reference Number: R51/R138-08-04 |
| Meeting Sessions: 8th R51/R138 session (30 Apr 2025) |
| Document date: 26 May 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 9th (June 2025) session |
| Reference Number: R51/R138-09-01 |
| Meeting Sessions: 9th R51/R138 session (5 Jun 2025) |
| Document date: 26 May 25 |
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Relevant to
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| UN R138: Structuring proposal for 03 series |
| Reference Number: R51/R138-09-02 |
| Submitted by: OICA |
| Meeting Sessions: 9th R51/R138 session (5 Jun 2025) |
| Document date: 04 Jun 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 10th (June 2025) session |
| Reference Number: R51/R138-10-01 |
| Meeting Sessions: 10th R51/R138 session (6 Jun 2025) |
| Document date: 05 Jun 25 |
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Relevant to
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| UN R51: Proposal for corrections to the 03 series |
| Reference Number: R51/R138-09-04 |
| Submitted by: EC |
| Meeting Sessions: 9th R51/R138 session (5 Jun 2025) |
| Document date: 05 Jun 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Proposal for corrections to the 03 series |
| Reference Number: R51/R138-09-03 |
| Submitted by: EC |
| Meeting Sessions: 9th R51/R138 session (5 Jun 2025) |
| Document date: 05 Jun 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Proposal for corrections to the 03 series |
| Reference Number: R51/R138-10-04 |
| Submitted by: EC |
| Meeting Sessions: 10th R51/R138 session (6 Jun 2025) |
| Document date: 05 Jun 25 |
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Relevant to
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| View full document file for more information |
| Key points on exterior sound enhancement testing requirements |
| Reference Number: R51/R138-10-02 |
| Meeting Sessions: 10th R51/R138 session (6 Jun 2025) |
| Document date: 05 Jun 25 |
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Relevant to
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| View full document file for more information |
| Key points on Exterior Sound Enhancement Systems/Exterior Sound Generator requirements |
| Reference Number: R51/R138-11-01 |
| Meeting Sessions: 11th R51/R138 session (18 Jun 2025) |
| Document date: 18 Jun 25 |
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Relevant to
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| View full document file for more information |
| Proposal for Exterior Sound Enhancement System (ESES) requirements |
| Reference Number: R51/R138-11-03 |
| Submitted by: OICA |
| Meeting Sessions: 11th R51/R138 session (18 Jun 2025) |
| Document date: 20 Jun 25 |
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Relevant to
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| Vehicle external sound: Questions to be discussed |
| Reference Number: R51/R138-11-02 |
| Meeting Sessions: 11th R51/R138 session (18 Jun 2025) |
| Document date: 20 Jun 25 |
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Relevant to
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| R51/R138 Subgroup: Minutes of the 10th (June 2025) session |
| Reference Number: R51/R138-10-03 |
| Meeting Sessions: 10th R51/R138 session (6 Jun 2025) |
| Document date: 20 Jun 25 |
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Relevant to
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| Background on proposal for setting sound limits |
| Reference Number: R51/R138-12-02 |
| Submitted by: OICA |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 01 Jul 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 12th (July 2025) session |
| Reference Number: R51/R138-12-01 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 01 Jul 25 |
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Relevant to
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| Minutes of drafting group on UN R51 and EV sound provisions (UN R51/UN R138) |
| Reference Number: R51/R138-12-03 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 08 Jul 25 |
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Relevant to
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| UN R51: Draft proposal for corrections to the 03 series of amendments |
| Reference Number: R51/R138-12-04 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 10 Jul 25 |
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Relevant to
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| Technical Background dLASEP Term |
| Reference Number: R51/R138-12-05 |
|
This presentation provides information on the term ΔLASEP introduced by OICA in its sound level proposal GRBP/2025/20. |
| Submitted by: HMG |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 28 Jul 25 |
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Relevant to
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| View full document file for more information |
| R51/R138 Subgroup: Agenda for the 13th (August 2025) session |
| Reference Number: R51/R138-13-01 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
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| UN R51: Proposal for corrections to the 03 series of amendments |
| Reference Number: R51/R138-13-02 |
|
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. |
| Submitted by: OICA |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Draft proposal to amend document GRBP/2025/29 |
| Reference Number: R51/R138-13-03 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Proposal for corrections to the 03 series of amendments |
| Reference Number: R51/R138-13-04 |
|
Informal consolidated text for better reading. |
| Submitted by: OICA |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
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| View full document file for more information |
| UN R51: Draft guidance on interpretation of the footnote on generated sounds |
| Reference Number: R51/R138-13-05 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
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| View full document file for more information |
| UN R51: Comments on draft Supplement proposal (Annex 7) |
| Reference Number: R51/R138-13-07 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Comments on the draft text for Supplement 11 |
| Reference Number: R51/R138-13-08 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 01 Aug 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Comments on the draft text for Supplement 11 |
| Reference Number: R51/R138-13-09 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 04 Aug 25 |
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Relevant to
|
| View full document file for more information |
| UN R138: Draft amendment on AVAS sound levels |
| Reference Number: R51/R138-13-06/Rev.1 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 14 Aug 25 |
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Relevant to
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| R51/R138 Subgroup: Minutes of the 13th (August 2025) session |
| Reference Number: R51/R138-13-11 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 15 Aug 25 |
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Relevant to
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| R51/R138 Subgroup: Minutes of the 12th (July 2025) session |
| Reference Number: R51/R138-12-06 |
| Meeting Sessions: 12th R51/R138 session (8-11 Jul 2025) |
| Document date: 15 Aug 25 |
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Relevant to
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| R51/R138 Subgroup: Minutes of the 11th (June 2025) session |
| Reference Number: R51/R138-11-04/Rev.1 |
| Meeting Sessions: 11th R51/R138 session (18 Jun 2025) |
| Document date: 15 Aug 25 |
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Relevant to
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| UN R51: Comments on the draft Supplement 11 (exterior sound systems) |
| Reference Number: R51/R138-13-10 |
| Meeting Sessions: 13th R51/R138 session (6 Aug 2025) |
| Document date: 28 Aug 25 |
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Relevant to
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| UN R51: Draft proposal to amend working document GRBP/2025/29 |
| Reference Number: R51/R138-14-04 |
| Meeting Sessions: 14th R51/R138 session (2 Sep 2025) |
| Document date: 01 Sep 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Comments on corrections to the 03 series of amendments |
| Reference Number: R51/R138-14-03 |
| Meeting Sessions: 14th R51/R138 session (2 Sep 2025) |
| Document date: 01 Sep 25 |
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Relevant to
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| RD-ASEP UN R51/138 subgroup draft status report to GRBP |
| Reference Number: R51/R138-14-02 |
| Meeting Sessions: 14th R51/R138 session (2 Sep 2025) |
| Document date: 01 Sep 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 14th (September 2025) session |
| Reference Number: R51/R138-14-01 |
| Meeting Sessions: 14th R51/R138 session (2 Sep 2025) |
| Document date: 01 Sep 25 |
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Relevant to
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| UN R51: Amendments to the draft Supplement to the 03 series |
| Reference Number: R51/R138-15-02 |
|
Document includes OICA proposals for three topics. |
| Meeting Sessions: 15th R51/R138 session (22-23 Oct 2025) |
| Document date: 14 Oct 25 |
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Relevant to
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| View full document file for more information |
| R51/R138 Subgroup: Agenda for the 15th (October 2025) session |
| Reference Number: R51/R138-15-01 |
| Meeting Sessions: 15th R51/R138 session (22-23 Oct 2025) |
| Document date: 14 Oct 25 |
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Relevant to
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| UN R51: Proposals to amend documents GRBP/2025/29 and GRBP-82-08 |
| Reference Number: R51/R138-15-03 |
| Submitted by: OICA |
| Meeting Sessions: 15th R51/R138 session (22-23 Oct 2025) |
| Document date: 21 Oct 25 |
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Relevant to
|
| View full document file for more information |
| UN R138: Subgroup discussion on AVAS and EES |
| Reference Number: R51/R138-15-05 |
| Meeting Sessions: 15th R51/R138 session (22-23 Oct 2025) |
| Document date: 22 Oct 25 |
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Relevant to
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| UN R51: Proposals for amendments based on GRBP/2025/29 |
| Reference Number: R51/R138-15-04 |
| Submitted by: OICA |
| Meeting Sessions: 15th R51/R138 session (22-23 Oct 2025) |
| Document date: 22 Oct 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Comments on draft provisions to amend the regulation |
| Reference Number: R51/R138-16-02 |
| Meeting Sessions: 16th R51/R138 session (12 Nov 2025) |
| Document date: 10 Nov 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 16th (November 2025) session |
| Reference Number: R51/R138-16-01 |
| Meeting Sessions: 16th R51/R138 session (12 Nov 2025) |
| Document date: 10 Nov 25 |
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Relevant to
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| R51/R138 Subgroup: Agenda for the 17th (December 2025) session |
| Reference Number: R51/R138-17-01 |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 01 Dec 25 |
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Relevant to
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| UN R51: Working draft proposal to amend document GRBP/2026/4 |
| Reference Number: R51/R138-17-02 |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 01 Dec 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Proposal for Supplement 11 to the 03 series of amendments |
| Reference Number: R51/R138-17-03 |
| Submitted by: OICA |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 01 Dec 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Input on transitional provisions for Supplement 11 to the 03 series |
| Reference Number: R51/R138-17-04 |
| Submitted by: JASIC |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 08 Dec 25 |
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Relevant to
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| UN R51: Background Information on EV specifications |
| Reference Number: R51/R138-17-05 |
| Submitted by: OICA |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 08 Dec 25 |
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Relevant to
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| UN R51: Proposal to amend GRBP/2026/4 (Supplement 11 to the 03 series) |
| Reference Number: R51/R138-17-06 |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 08 Dec 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Updated proposal to amend GRBP/2026/4 (Supplement 11 to the 03 series) |
| Reference Number: R51/R138-17-07 |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 10 Dec 25 |
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Relevant to
|
| View full document file for more information |
| UN R51: Updated proposal for a Supplement 11 to the 03 series of amendments |
| Reference Number: R51/R138-17-08 |
|
a |
| Meeting Sessions: 17th R51/R138 session (8 and 10 Dec 2025) |
| Document date: 10 Dec 25 |
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Relevant to
|
| View full document file for more information |