http://laws.justice.gc.ca/eng/regulations/SOR-2013-211/page-36.html#docCont
Unlicensed user
298 A user who does not hold a licence must store their propellant powder, percussion caps and black powder cartouches in a dwelling or a Footnote *storage unit and ensure that the requirements of sections 299 to 304 are met.
Note: Subsection 279(2) provides that users must store small arms cartridges in accordance with sections 280 and 281.
Return to footnote *Terms preceded by an asterisk are defined in section 6.
Percussion caps
299 (1) Percussion caps must be stored in their original packaging.
Note: These Regulations do not limit the number of percussion caps that may be stored in their original packaging in a dwelling or a *storage unit.
Smokeless powder
(2) Smokeless powder must be stored in its original container or in small arms cartridges.
Black powder
(3) Black powder must be stored in its original container, in small arms cartridges or in black powder cartouches.
Maximum quantity
300 The maximum quantity of propellant powder that may be stored by a user at any one time under sections 301 to 303 is reduced by the quantity of any propellant powder that the user is storing under section 375 and any quantity that they are storing under section 389.
Detached dwellings
301 The maximum quantity of propellant powder that may be stored at any one time in a detached dwelling, or in *storage unit attached to a detached dwelling, is 25 kg of which no more than 10 kg may be black powder.
Other dwellings — smokeless powder
302 (1) The maximum quantity of smokeless powder that may be stored at any one time in a dwelling other than a detached dwelling, or in a storage unit attached to a dwelling other than a detached dwelling, is
(a) 20 kg, if all the smokeless powder is in containers that hold no more than 1 kg; or
(b) 5 kg, if any of the smokeless powder is in a container that holds more than 1 kg.
Other dwellings — black powder
(2) The maximum quantity of black powder that may be stored at any one time in a dwelling other than a detached dwelling, or in a storage unit attached to a dwelling other than a detached dwelling, is
(a) 1 kg, if the black powder is in containers; or
(b) 3 kg less any quantity that is in containers, if the black powder is in small arms cartridges or black powder cartouches.
Detached storage unit
303 The maximum quantity of propellant powder that may be stored at any one time in Footnote *storage units that are not attached to a dwelling, whether in a single unit or in several, is 75 kg.
Storage requirements — dwelling
304 (1) When propellant powder, percussion caps or black power cartouches are stored in a dwelling, they must be stored away from flammable substances and sources of ignition. People not authorized by the user must not be given unlimited access to the propellant powder, percussion caps or black powder cartouches.
Storage requirements — storage unit
(2) When propellant powder, percussion caps or black powder cartouches are stored in a Footnote *storage unit,
(a) the storage unit must be located in a dry place, away from flammable substances and sources of ignition;
(b) the storage unit must be constructed and maintained to prevent unauthorized access and to protect the contents from weather;
(c) if the storage unit is a container, it must not impede exit in case of fire;
(d) if the storage unit is not a container, all exits must be kept unobstructed;
(e) any shelving in the storage unit must be made from a non-sparking material (for example, wood or painted metal);
(f) nothing other than small arms cartridges may be stored with the propellant powder, percussion caps or black powder cartouches;
(g) propellant powder, percussion caps, small arms cartridges and black powder cartouches must be stored separately from one another (for example, on different shelves or separated by a wooden barrier);
(h) the storage unit must be *attended when it is unlocked;
(i) the storage unit must be kept clean, dry, organized and free of grit;
(j) any spill, leakage or other contamination in the storage unit must be cleaned up immediately;
(k) precautions that minimize the likelihood of fire in or near the storage unit must be taken; and
(l) a sign that displays the words “Danger — Fire Hazard/Risque d’incendie” in letters at least 10 cm high and that prohibits smoking using letters, or a symbol, at least 10 cm high must be posted on the storage unit in a clearly visible location.
