This document specifies requirements for the installation of permanently installed liquefied petroleum gas (LPG) systems and LPG-burning appliances on small craft. This document is applicable to portable cooking appliances with internal LPG cartridges, with a capacity of 225 g or less (see Annex D). This document is applicable to the storage of all LPG cylinders. NOTE National regulations can apply to the technical requirements of LPG cylinders. It does not contain procedures for commissioning new LPG installations or system maintenance or upgrades. This document does not apply to LPG-fuelled propulsion engines or LPG-driven generators. NOTE National codes and procedures appropriate to the country concerned can be available.