The notion of operational requirement refers to their obligation. They have an obligation of service to all of their shippers, so they have to take that into account. They're a railway, so obviously they have to operate their railway—they have to operate their yards; they have to operate their trains. You have to take into account the fact that they have an obligation to operate, have an obligation to carry freight—
On December 12th, 2006. See this statement in context.