I may not be able to offer some specifics. The danger that I foresee is that when you're making a policy or a significant action that is not based on science, there's a danger of creating a precedent. There's also I think a danger in terms of reputation. Canada is party to international agreements, so we know that it has not been very well received because they are perceiving this as a restriction of movement to and from Canada.
In terms of loading and unloading, I would not be able to offer you any specifics. It is not within the sphere of my expertise.