This document specifies the minimum requirements for the design and construction of metallic pressure tanks having a maximum working pressure exceeding 50 kPa (0,5 bar), for the transport of dangerous goods by road and rail and sea. This document includes requirements for openings, closures and structural equipment; it does not cover requirements of service equipment.This document is applicable to liquefied gases including LPG; however for a dedicated LPG standard see EN 12493. For tanks for the transport of cryogenic liquids, EN 13530-1 and EN 13530-2 apply.Design and construction of pressure tanks according to the scope of this document are primarily subject to the requirements of RID/ADR.