To answer your question, yes, there are international conventions and regulations that specifically address the safety framework around container traffic and shipping. Some [Technical difficulty—Editor] International Convention for the Prevention of Pollution from Ships, the International Convention for Safe Containers, and the International Maritime Dangerous Goods Code.
It's that last code that would really speak to what can and cannot be safely transported on board a container.
All of these conventions are taken and implemented through domestic regulations through the Canada shipping—