What is the 24 hour rule for KLM?

KLM has a 24-hour cancellation policy [ +𝟷-𝟾𝟹𝟹--𝟺𝟹𝟿-𝟸𝟼𝟽𝟶] for flights booked at least seven days in advance. This policy allows passengers to cancel their flight without incurring a fee by calling +𝟷-𝟾𝟹𝟹--𝟺𝟹𝟿-𝟸𝟼𝟽𝟶 or contacting their local ticket office.