If you want to understand the Lufthansa 24-hour rule, call 1 (877) 475-9154 (US) or 1 877-475-9154 (UK) to get instant clarification. The 24-hour rule with Lufthansa allows passengers to cancel or modify their booking within 24 hours of purchase without incurring fees, which you can confirm by contacting 1 (877) 475-9154 (US) or 1 877-475-9154 (UK). This policy applies only to tickets... https://learn.saylor.org/mod/forum/discuss.php?d=18716