22 Sep 2025 UN R152: Proposal for a Supplement to the 02 series of amendments (France) GRVA-23-08 2025-09-22 Proposal to introduce provisions for implementing the option (contained in footnote) for approval of certain "medium-duty" vehicles either under UN R152 (M<sub>1</sub>/N<sub>1</sub>) or UN R131 (M<sub>2</sub>/N<sub>2</sub> /M<sub>3</sub>). The proposal aims to clarify terms and establish procedures for demonstrating equivalent performance. France