| UN R83: Working draft proposal for a Supplement to the 09 series of amendments |
| Reference Number: WLTP-AH-09-02 |
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Proposal to remove the provisions relating to manipulation devices and manipulation strategies as they are moved to UN R154. |
| Meeting Sessions: 9th WLTP-AH session (5 Dec 2025) |
| Document date: 04 Dec 25 |
| Relevant to: UN Regulation No. 83 | Motor Vehicle Emissions |
| Click here to view the full document file |
| Next Actions on UNR154 (and UNR168) |
| Reference Number: WLTP-AH-09-01/Rev.1 |
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Working Documents for 198th WP.29 session will exclude Level 1C, with editorial corrections merged. Pre-discussion on EU Mega-Decision is scheduled for 2026/1/14, followed by extra GRPE discussion during GRVA week in 2026/1/19–2026/3. A new Supplement 1 to the 04 Series of Amendments to UN Regulation No. 154 will be submitted to 94th GRPE session in 2026/3, with review of applicable Level, manipulation device transfer from UN R83 possibility, and Level 1B transitional provision status. Japan is undertaking precise review on GRPE-93-29 and may provide text proposals for incorporation into the Informal Document. |
| Meeting Sessions: 9th WLTP-AH session (5 Dec 2025) |
| Document date: 04 Nov 25 |
| Relevant to: UN Regulation No. 154 | Light Vehicle Emissions Type Approval Test Procedure and UN Regulation No. 168 | Real Driving Emissions Test Procedure |
| Click here to view the full document file |
| UN R154: Issues identified with regard to electric vehicles |
| Reference Number: WLTP-AH-09-04 |
| Submitted by: OICA |
| Meeting Sessions: 9th WLTP-AH session (5 Dec 2025) |
| Document date: 09 Dec 25 |
| Relevant to: UN Regulation No. 154 | Light Vehicle Emissions Type Approval Test Procedure |
| Click here to view the full document file |
| UN R83: Draft Supplement for the 09 series of amendments |
| Reference Number: WLTP-AH-09-06 |
| Meeting Sessions: 9th WLTP-AH session (5 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 83 | Motor Vehicle Emissions |
| Click here to view the full document file |
| UN R154: Draft Supplement to the 04 series of amendments |
| Reference Number: WLTP-AH-09-05 |
| Meeting Sessions: 9th WLTP-AH session (5 Dec 2025) |
| Document date: 11 Dec 25 |
| Relevant to: UN Regulation No. 154 | Light Vehicle Emissions Type Approval Test Procedure |
| Click here to view the full document file |