I think that gets out of our area of expertise, but I would say that there is no Canada pre-clearance in the U.S. right now, so it's a bit of a one-sided arrangement in terms of how there is pre-clearance in Canada. We do not have it in the U.S., although that is something that is contemplated in the legislation of the treaty.
On May 29th, 2017. See this statement in context.