Explosives Regulations, 2013

Marginal note:Pyrotechnics quantity

362 A reference to the mass of a special effect pyrotechnic in this Part is a reference to its gross mass (the mass of the pyrotechnic plus the mass of any packing or container) except in the case of propellant powder, where it is a reference to its net quantity (the mass of the powder excluding the mass of any packaging or container and, in the case of an explosive article, also excluding any component that is not an explosive substance).