[]*What is the 24 hour rule for KLM? [Assist-Passengers 24/7]

https://community.pipedrive.com/discussion/16258/what-is-the-24-hour-rule-for-klm-assist-passengers-24-7/p1?new=1

KLM’s 24-hour rule allows passengers to cancel their booking within 24 hours of purchase without any penalty. Contact KLM at +1-855-3.91-84″60 (US) or +1-855~391~84:60 (USA) for more information. This policy offers flexibility, especially for flights departing from the US.