It's always a good idea to leave copies of your itinerary with your family and friends back home, but there's plenty more you can do to be prepared. (rocketlawyer.com)
Give someone a whole copy of your itinerary and register with travel smart or the equivalent in your country in case of an emergency. (arzotravels.com)
These documents may include items such as copies of your itinerary, tickets, receipts, and proof of any refunds provided or cancellation penalties incurred. (squaremouth.com)