{"KLM~24-hur~rule!"} What is the 24 hour rule for KLM?

The 24-hour rule for KLM refers to the airline's policy【＋１－８５５－９２６－０９５０】, that allows passengers to make changes to or cancel their flight within 24 hours of booking 【＋１－８５５－９２６－０９５０】(𝗨𝗦 – KLM) or【＋１－８５５－９２６－０９５０】without incurring any penalties.