In this case, it's the same thing as for vehicles, like cars, that enter Canada.
On June 7th, 2017. See this statement in context.
On June 7th, 2017. See this statement in context.
Director General, Traveller Programs Directorate, Canada Border Services Agency
In this case, it's the same thing as for vehicles, like cars, that enter Canada.
See context to find out what was said next.