Each fuel cell cartridge transported under this entry and designed to contain a liquefied flammable gas must:

a) be capable of withstanding, without leakage or bursting, a pressure of at least two times the equilibrium pressure of the contents at 55 °C;

b) not contain more than 200 mL liquefied flammable gas the vapour pressure of which must not exceed 1 000 kPa at 55 °C; and

c) pass the hot water bath test prescribed in 6;5.4.1.