This part of ISO 22915 specifies the tests for verifying the stability of order-picking trucks with an elevating operator position, as defined in ISO 5053, where the operator's position can be raised to an elevation above 1 200 mm. It is applicable to industrial trucks fitted with fork arms, platforms and/or integrated attachments under normal operating conditions. It is not applicable to trucks fitted with a load carrier that can be shifted laterally or pivoted out of the truck's longitudinal centre plane.