International Organization of Motor Vehicle Manufacturers
8 Jul 2025 GTR 21: Vehicle family concept (OICA) EVE-86-07 2025-07-08 OICA
16 Sep 2025 Alignment between GTR 21 and UN R177 (OICA) EVE-88-23 2025-09-16 OICA
19 Nov 2025 GTR 21 and 22: Comments on the draft amendments (OICA) EVE-91-02 2025-11-19 GTR 21: FCEV Procedure and System Bench Tolerance GTR 22: Part C verification OICA