| UN R51: Proposal for 04 series of amendments |
| Reference Number: GRBP-73-05 |
|
Proposal by experts from IWG ASEP for new series of amendments. |
| Meeting Sessions: 73rd GRBP session (26-29 Jan 2021), 4th UNR51-DG session (28 Jan 2021), and 10th RDASEP session (9-10 Dec 2025) |
| Document date: 19 Jan 21 |
| Document status: Informal GR review |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP: Agenda for the 10th (December 2025) session |
| Reference Number: RDASEP-10-01 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP issues list |
| Reference Number: RDASEP-10-02 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| UN R51: Working draft for a 04 series of amendments |
| Reference Number: RDASEP-10-03 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP informal group 2026 calendar |
| Reference Number: RDASEP-10-04 |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| Considerations for the design of the RD-ASEP control range |
| Reference Number: RDASEP-10-05 |
| Submitted by: ICCT |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 28 Dec 25 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
| RD-ASEP: Minutes of the 10th (December 2025) session |
| Reference Number: RDASEP-10-06/Rev.1 |
|
The RD-ASEP informal group met in Brussels. Officers and representatives from eleven contracting parties and four NGOs were present. The group discussed copyright approval requirements for UN website materials. A February 2026 meeting with UNECE and ISO secretariats will address incorporating third-party standards into UN regulations. The Data Analysis Task Force reported on ESE in ICE vehicles and data limitations. Discussions covered vehicle control ranges, CVT handling, and vehicle category applicability. An issues list was established for draft regulatory text. The next meeting is scheduled for April 14-16, 2026 in Berlin. |
| Meeting Sessions: 10th RDASEP session (9-10 Dec 2025) |
| Document date: 12 Feb 26 |
| Relevant to: UN Regulation No. 51 | Vehicle Noise Emissions |
| Click here to view the full document file |
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