ISO 12614-12:2014 specifies tests and requirements for the rigid fuel line in copper, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833.
ISO 12614-12:2014 is not applicable to the following:
a) fuel containers,
b) stationary gas engines,
c) container mounting hardware,
d) electronic fuel management,
e) refueling receptacles.