<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by dallasflyer:
Domestic I eticket. International I paper ticket.</font>
I agree. I recently had eticket to Europe and stopped in London for a day. The immigration officer there wanted to see my ticket. Fortunately, I had printed an itineary; otherwise, I don't know what would have happened next.