The meaning of yellow card customer

An unacceptable customer. When the customer's account is abnormal or risky, you will receive a yellow card warning, which means that the customer is risky and not accepted. Yellow card customers refer to customers who are not trusted, risky or accepted. For example, if the customer's account is abnormal or risky, he will receive a yellow card warning. The yellow card does not restrict the function of the account, but it will issue a warning notice.