Restricted and prohibited firearms
Attach a secure locking device so the firearms cannot be fired and lock them in a cabinet, container or room that is difficult to break into;
or
Lock the firearms in a vault, safe or room that was built or modified specifically to store firearms safely.
For automatic firearms, also remove the bolts
or
bolt carriers (if removable) and lock them in a separate room that is difficult to break into.
http://www.rcmp-grc.gc.ca/cfp-pcaf/fs-fd/storage-entreposage-eng.htm
it loos like as long as it's classified as a safe no trigger lock is needed.
Exactly. End of conversation. What you do when you pull it out is your business, and your responsibility to justify. If it's designated as a safe, it's a safe. Store accordingly... Or don't...