International Organization of Motor Vehicle Manufacturers
16 Apr 2021 UN R34: Proposal for amendments (OICA) GRSG-121-41 2021-04-16 Proposal to remove vehicle categories M1 and N1 from the scope of the regulation given coverage of fire risks under UN R94, R95, and R153. OICA
5 Dec 2022 UN R153: Proposal for the supplement 3 to the original version (OICA) GRSP-72-32 2022-12-05 The proposal aims to amend the details of the requirements for post-crash safety of hydrogen fuelled vehicles. OICA
11 May 2023 UN R153: Proposal for the Supplement 4 to the Original Version (OICA) GRSP-73-31 2023-05-11 Proposal aims to resolve editorial issues and to introduce requirements for the post-crash safety of hydrogen-fuelled vehicles. OICA
21 Nov 2025 UN R153: Comments on the proposal to amend for applicability to ADS vehicles (OICA) GRSP-TF-AVRS-21-12 2025-11-21 OICA
3 Mar 2023 UN R153: Proposal for the Supplement 3 (OICA) GRSP/2023/21 2023-03-03 Proposal to introduce requirements for the post-crash safety of hydrogen-fuelled vehicles based on the Amendment 1 to UN GTR No. 13 (Hydrogen and Fuel Cells Vehicles). OICA