Easy if you are a U.s. Citizen, once you head to US Border & Customs, provide your copyright when you arrive Internationally. Remember to get your Test baggage in advance of going into domestic flights, as they will Check out the tag to the plane that you are boarding in. https://businessflightshop.co.uk/blog/things-to-know-when-booking-tickets-for-first-class-flights-to-bali/