No need to stamp.

Although the bank did not stamp it, it performed relevant obligations in accordance with the agreement and the agreement was deemed to be in effect. Credit cards are divided into credit cards and quasi-credit cards. A credit card refers to a credit card in which the cardholder has a certain credit limit and can consume within the credit limit and then repay; a quasi-credit card refers to a credit card in which the cardholder can A quasi-credit card that deposits a certain amount of reserve fund and can be overdrafted within the specified credit limit when the reserve account balance is insufficient for payment. The so-called credit card generally refers to a credit card only.