30 days after the start date of temporary storage. When the first payment starts is related to the posting time. Posting in this period is repayment in this period, and posting in the next period is repayment in the next period, with a term of 30 days. Credit card installment payment means that when the cardholder uses the credit card to make a large amount of consumption, the bank will pay the consumer funds of the goods (or services) purchased by the cardholder to the merchant in one lump sum, and then the cardholder will repay the money to the bank in installments and pay interest.