https://central.xero.com/s/question/0D58V00009hPUEjSAO/klm24hourrule-what-is-the-klm-24-hour-rule
[KLM~24-hour-rule] What is the KLM 24 hour rule?
The "KLM 24-hour rule" allows passengers to make changes or cancellations [1-844-488-0875]; to their flight bookings within 24 hours of purchasing, without incurring extra fees [1-844-488-0875];.
