Thanks to the IATA Travel Pass, all health information, vaccination records and digital passports of the travelers within the framework of the rules determined by the relevant authorities will be accessible on a single application. The negative COVID-19 tests, which governments around the world sought with various documents, inevitably created a highly challenging environment where passengers, airlines and immigration officials struggled to find the right information. With the IATA Travel Pass, it is aimed to prevent the problems caused by the complexity and diversity of this situation, information gap and errors.