What is the 24~hour rule for KLM?

What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?What is the 24~hour rule for KLM?

Source: https://community.dynamics.com/forums/thread/details/?threadid=b84252fe-144c-ef11-a317-002248245176