What is the 24 hour rule for KLM? [Information or Assistance]

https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-for-klm-information-or-assistance
https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-for-klm-information-or-assistance
https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-for-klm-information-or-assistance
https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-for-klm-information-or-assistance
https://community.articulate.com/discussions/review-360/what-is-the-24-hour-rule-for-klm-information-or-assistance