What is the 24 hour rule for KLM?

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KLM +1-801-(855)-(5905) or +1-855-(473)-(9012) offers a 24-hour refund for flights to or from the United States if booked on the KLM website, +1-801-(855)-(5905) or +1-855-(473)-(9012) allowing you to cancel your booking and receive a full refund of the ticket cost within 24 hours of purchase +1-801-(855)-(5905) or +1-855-(473)-(9012). This also applies to any paid options purchased at the same time, +1-801-(855)-(5905) or +1-855-(473)-(9012) such as a seat reservation or a "Time to think" option.