It's done at the time of departure.
On November 7th, 2012. See this statement in context.
On November 7th, 2012. See this statement in context.
November 7th, 2012 / 4 p.m.
Manager, Travellers Unit, Advance Information and Programs, Canada Border Services Agency
It's done at the time of departure.
See context to find out what was said next.