ISO 12619-1:2014规定了压缩气态氢（CGH2）和氢/天然气混合燃料系统部件的一般要求和定义，这些部件拟用于ISO 3833中定义的机动车类型。它还提供了一般设计原则，并规定了说明和标记的要求。 ISO 12619-1:2014适用于根据ISO 14687-1或ISO 14687-2使用CGH2的车辆，以及根据ISO 15403-1和ISO/TR 15403-2使用天然气的氢气/天然气混合物。它不适用于以下情况: -液化氢（LH2）燃料系统部件； -燃料容器； -固定式燃气发动机； -集装箱安装硬件； -电子燃料管理； -加油容器。

ISO 12619-1:2014 specifies general requirements and definitions of compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and markings. ISO 12619-1:2014 is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: -liquefied hydrogen (LH2) fuel system components; -fuel containers; -stationary gas engines; -container mounting hardware; -electronic fuel management; -refuelling receptacles.