{24*7 KLM*}What is the 24 hour rule for KLM?

KLM's 24-hour rule primarily applies to extra options ＋[𝟭]　𝟴𝟴𝟴－𝟲𝟮𝟵－𝟵𝟴𝟱𝟵 （𝗨𝗦𝗔）／＋[𝟭]　𝟴𝟴𝟴－𝟲𝟮𝟵－𝟵𝟴𝟱𝟵 （𝗨𝗞）, like seat reservations, allowing refunds within 24 hours of purchase, including any paid options purchased at that time.