Proposal to amend UN R135 Supplement 4 to the 02 series of amendments. The Regulation is amended to account for vehicles of category X. The Regulation is extended to apply to vehicles without driver and without manual driving controls inside the vehicle. In case of vehicles equipped with an Automated Driving System other than vehicles of categories X and Y, in manual driving mode no special provisions apply; in a mode where an ADS feature is active the relevant ADS requirements apply. Amendments address scope, definitions, and approval test procedures for pole side impact testing.