Martin, you may want to speak to that as well, but that's part of the work that lies before us in terms of establishing where pre-clearance might make sense in the U.S.
Again, it's economically driven. The U.S. has a process where they put out a call for pre-clearance applications and it's the airport authorities who apply. Similarly, for Canada to operate pre-clearance in the U.S., it would need to make sense for those airport authorities and for CBSA, because of course, while there is cost recovery, there are also costs incurred in going to the U.S. and operating pre-clearance.