. You may need to show proof of onward or return flight to local authorities: we recommend you have a copy of your itinerary with you on this trip. IMPORTANT USA ENTRY INFORMATION. Effective January 20, 2010, all visitors to the USA traveling under the following conditions must pre- apply using the ESTA system (htt

. You may need to show proof of onward or return flight to local authorities; we recommend you have a copy of your itinerary with you on this trip. IMPORTANT USA ENTRY INFORMATION. Effective January 20, 2010, all visitors to the USA traveling under the following conditions must pre-apply using the ESTA system (htt