Generally speaking, the credit card pre-authorization period is 30 days. If the customer does not make settlement within 30 days after the pre-authorization occurs, the pre-authorization will be canceled. \x0d\ \x0d\Credit card pre-authorization is a means used by special merchants as a fund guarantee. After the cardholder has completed the consumption, usually after checking out of the hotel, the credit card pre-authorization can be revoked. After the credit card pre-authorization is revoked The credit card limit will be restored. \x0d\ \x0d\When a pre-authorized transaction occurs, the cardholder can make a credit card pre-authorization inquiry at any time through the customer service phone number of the card-issuing bank or by logging in to online banking. Credit card pre-authorization means that the card issuer or its agency deducts money from a special merchant. For transactions with a frozen limit confirmed before payment, the pre-authorization will occupy the credit limit of the card. When the customer settles the pre-authorization, the pre-authorization will be cancelled. Within 30 days after the pre-authorization occurs, if the customer does not settle the pre-authorization, the pre-authorization will be cancelled. will be cancelled.