United Kingdom of Great Britain and Northern Ireland
20 Mar 2025 UN R154: Request for review and/or approval (UK, OICA, Japan, and EC) GRPE-92-06 2025-03-20 Review on the possible direction (1) new series of amendment (2)single series structure UK OICA Japan EC
20 Mar 2025 UN R154: Proposal for series of amendments (UK, Switzerland, Sweden, OICA, Korea, Japan, Germany, and EC) GRPE-92-09 2025-03-20 UK Switzerland Sweden OICA Korea Japan Germany EC
17 Oct 2025 UN R154: Proposal for new series of amendment (excluding Level 1C) (UK, OICA, Japan, and EC) GRPE-93-29 2025-10-17 UK OICA Japan EC
17 Oct 2025 UN R154: Proposal for new series of amendments (including Level 1C) (UK, OICA, and EC) GRPE-93-30/Rev.1 2025-10-17 UK OICA EC
16 Oct 2025 UN R154: Explanatory document of the proposals for amendments (EC, UK, Japan, and OICA) GRPE-93-31/Rev.2 2025-10-16 EC UK Japan OICA
19 Mar UN R154: Proposal to amend GRPE/2026/13 (EC, Japan, OICA, and UK) GRPE-94-66 2026-03-19 EC Japan OICA UK
5 Jan UN R154: Proposal for a Supplement to the 04 series of amendments (EC, Japan, OICA, and UK) GRPE/2026/13 2026-01-05 Proposal to introduce provisions relating to <ul><li>Manipulation Devices and Strategies that were previously in the 09 series of amendments to UN R83,</li><li>the levels to which certain provisions apply,</li><li>clarifications and corrections to the requirements for the laboratory test for pure electric range ratio at low temperature for Pure Electric Vehicles</li><li>an update to allow the use in Levels 1A and 2 of actual tyre rolling resistance values to calculate the final road load coefficient for the individual vehicles, and</li><li>align the Regulation with the current regional status and the current state-of-the-art.</li></ul> EC Japan OICA UK
16 Mar 2025 UN R154: Proposal for new series of amendments (Japan, Korea, OICA, Sweden, Switzerland, UK, and EC) WLTP-AH-04-05 2025-03-16 Draft proposal to align the Regulation with the latest regional requirements (e.g., Euro 7) as submitted to GRPE (Informal document GRPE-92-09e). Japan Korea OICA Sweden Switzerland UK EC