The pre-authorization validity period usually refers to a credit card, and the validity period is generally 30 days. If there is no settlement within 30 days, the authorization will be revoked and the credit card limit will be restored. "Pre-authorization" is actually a method used by credit card merchants to guarantee funds, and will freeze a certain amount of the user's credit card. Users can check the pre-authorization status of their personal credit cards by logging into the credit card's mobile banking APP or calling the customer service number of the card-issuing bank. How to cancel credit card pre-authorization

There are several ways to cancel credit card pre-authorization:

1. Pre-authorized merchant to user The pre-authorization can be canceled directly after the bill is settled;

2. If the merchant does not cancel the pre-authorization in time after settlement, the cardholder can proactively contact the merchant to ask it to cancel the pre-authorization to avoid the merchant using the pre-authorization method.

3. If the merchant cannot cancel the pre-authorization due to various reasons, he can contact the staff of the relevant bank and submit relevant information according to the staff's instructions to cancel the pre-authorization;

4. If no settlement occurs after 30 days, the pre-authorization will be automatically released.