I selected the wrong destination country when preparing my travel. Do I need to create a new travel?

Not necessarily.

The destination country selected during travel preparation is used to assist with travel preparation and transaction code generation. The ATA Carnet System validates transactions primarily based on:

• the transaction type; and
• the customs territory where Customs processes the transaction.

A different destination country does not automatically invalidate a prepared travel.

Whenever possible, update the travel before the first Customs transaction so that your itinerary information remains accurate.