Proposal to align the structure of Rule No. 1 with Rule No.2, to add M1 and N1 vehicle categories and O2, O3 and O4 trailer categories, to add inspection methods and defect assessment, and to update procedures.

Proposal to harmonize the provisions of UN Rule No. 2 with those of the latest UN Regulations annexed to the 1958 Agreement and the EU Directives.

Proposal to harmonize the provisions of UN Rule No. 1 with those of the latest UN Regulations annexed to the 1958 Agreement and the EU Directives.