When will Ctrip private group leave the group notice?

three days before the tour. Ctrip private group, the notice of leaving the group is sent to the guests in the form of mail three days before leaving the group. Private group refers to the exclusive tour group customized for private small groups or families, which is tailored according to the needs of customers. It is very personalized and the fee is higher. There are only relatives and friends in the tour group, and there is no need to fight with strangers.