Legal.

It should just promote policies and not ask you to fill in personal information. I think you should pay attention to anything that involves personal information. It is normal to just promote it.

According to Article 7 of the "Regulations on the Supervision and Administration of Credit Card Business of Commercial Banks": A credit card refers to a credit card that records cardholder account information, has bank credit lines and overdraft functions, and provides cardholders with relevant banking services. All types of media.

Credit card consumption is a non-cash transaction payment method. There is no need to pay cash when consumption, and repayment will be made on the billing date (BillingDate).