This European Standard applies to operational requirements for large transportable vacuum insulated cryogenic vessels of more than 1000 litres volume. The scope includes putting into service, filling, withdrawal, transport within the location, maintenance, periodic inspection and emergency procedures. Operational requirements for usage these vessels on public roads, rail, sea and air are not covered. For the transportation of these vessels by public road, rail, sea and air, other requirements apply; these are defined in specific regulations. The standard applies to vessels for cryogenic fluids as specified in WI 004.