Draft project timeline for updating UN Rules under the 1997 Agreement on Periodical Technical Inspections, including plans to address electric, hybrid, LPG, and CNG vehicles.

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.