https://central.xero.com/s/question/0D58V00009Kn6dFSAR/c%F0%9D%96%86lllufthans%F0%9D%96%86help-what-is-the-24hour-rule-lufthans%F0%9D%96%86https://central.xero.com/s/question/0D58V00009Kn6dFSAR/c%F0%9D%96%86lllufthans%F0%9D%96%86help-what-is-the-24hour-rule-lufthans%F0%9D%96%86