Hong Kong Regulations

ENTERTAINMENT SPECIAL EFFECTS (GENERAL) REGULATION - SECT 26

Pyrotechnic special effects materials not permitted in public vehicles, etc.

Except with the approval of the Authority, no person shall convey any
pyrotechnic special effects materials on any tramcar, omnibus, taxi or other
public vehicle or on any public ferry unless the pyrotechnic special effects
materials-

   (a)  are materials other than designated items;

   (b)  are items other than those entered in the register as prohibited from
        being conveyed on such vehicle or ferry; and

   (c)  the aggregate net explosive quantity of which does not exceed 5 kg.