What does ICBC pos mean by making an appointment for consumption?

Pre-authorization of ICBC pos to make an appointment for consumption using bank cards. POS booking consumption is the pre-authorization of using bank cards. If the guest needs to check out with this pre-authorization, he will directly confirm the pre-authorization with the POS machine; If the customer is not in a hurry to cancel the pre-authorization, as long as the merchant does not submit the bill to the bank to which the POS machine belongs or complete the transaction with the pre-authorization, the pre-authorization will always exist, and generally it will be automatically unfrozen after 30 days. It usually takes 15 days to arrive. If the time is too long, you can check with the merchant. If it fails, you can complain to the Consumers Association at telephone number 123 15.