International Organization of Motor Vehicle Manufacturers
16 Sep 2025 Alignment between GTR 21 and UN R177 (OICA) EVE-88-23 2025-09-16 OICA
14 Oct 2025 UN R177: Proposal for an amendment (OICA) GRPE-93-28 2025-10-14 Proposal on the clarification for the definition of vehicle types and families. OICA
31 Jul 2025 UN R177: Proposal for a new series of amendments (OICA) GRPE/2025/21 2025-07-31 Proposal to align the scope with the Euro 7 emissions legislation. An <a href="https://wiki.unece.org/display/trans/As+of+September+16%2C+2025" target="_blank">informal document amending this proposal</a> is under development. OICA