This SAE Recommended Practice applies to electrically powered hydraulic or mechanically operated platform devices which permit a person seated in a manual or powered wheelchair to enter or exit a personally licensed vehicle. The minimum performance and durability requirements are specified for satisfactory installation of wheelchair lifting devices in a personally licensed vehicle to be used by a person seated in a wheelchair to be lifted from the ground plane to the vehicle floor level in a reliable and safe manner. SAE J2092 is the test procedure to verify compliance with this document.