Transport Canada sets the regulations, and everybody must adhere to that level of safety. They absolutely have to.
But you can't regulate for every single scenario, and it's those scenarios that are sort of in the middle that SMS will help catch if there is an issue that's not quite going the way you want. You don't want to get into saying, “Well, on paper we're compliant”. If you've identified some risks—and that's what SMS does—then you can fix them, going forward.