ISO 3691-6:2013

ISO 3691-6:2013 gives safety requirements and the means for their verification for self-propelled carriers designed for carrying burdens without lifting, as defined in ISO 5053, and/or personnel carriers, having three or more wheels, a maximum speed not exceeding 56 km/h and a load capacity not exceeding 5 000 kg.
It is applicable to trucks equipped with a platform (which can be tilting) for the purpose of carrying materials or with a number of seats for the purpose of transporting passengers.
It is not applicable to    vehicles intended primarily for earth-moving or over-the-road hauling, driverless trucks, golf cars, or tractors with a drawbar pull up to and including 20 000 N equipped with a platform for the purpose of carrying materials.