Https://www.devex.com/people/what-is-the-24-hour-rule-with-lufthansa-2090333https://www.devex.com/people/what-is-the-24-hour-rule-with-lufthansa-2090333https://www.devex.com/people/what-is-the-24-hour-rule-with-lufthansa-2090333 https://www.devex.com/people/what-is-the-24-hour-rule-with-lufthansa-2090333