What is the 24-hour rule for 1-855-838-5873 Lufthansa?[@24*7(Customer Service)] }] What is the 24-hour rule for 1-855-838-5873 Lufthansa?[@24*7(Customer Service)] }]What is the 24-hour rule for 1-855-838-5873 Lufthansa?[@24*7(Customer Service)] }] https://forums.dwin-global.com/index.php/forums/topic/what-is-the-24-hour-rule-for-1-855-838-5873-lufthansa247customer-service/