This document specifies the operational procedures and best practices when checking transportation racks for LPG cylinders before and during loading and unloading prior to the vehicles going on the road and at any break during the journey. This document applies to racks containing transportable refillable LPG cylinders of water capacity from 0,5 l up to and including 150 l. This document applies to the following equipment: rack frame/structure; rack closures; rack fixing equipment or accessories on to the vehicle. This document applies to checks performed: at cylinder filling plants and depots; or at cylinder manufacturing and/or refurbishment facilities; or at any place where racks are used or moved This document also provides guidance and examples for rack maintenance and repair procedures, including rejection criteria and for establishing operational procedures. Transportation racks are also called stillages, pallets or racks (see Clause 3). This document does not cover the design and the manufacturing of racks. This document does not apply to presentation display racks at points of sale.