This document specifies the test methods for checking the minimum safety requirements specified in ISO 21266-1. It is applicable to the functionality of the fuel systems designed to operate on compressed gaseous hydrogen and hydrogen/natural gas blends of motor vehicles as defined in ISO 3833.
For tests of individual components, refer to the parts of ISO 12619, ISO 16380, ISO 17268, ISO 19881[1] and ISO/TS 15869 as applicable

[1] Under preparation. Stage at the time of publication: ISO/FDIS 19881.