It can be used in any large store. The usage rules are:

1. The billing date is fixed, and the final repayment date is 25 days after the billing date.

2. Bank of Communications allows cardholders to have one opportunity to modify the billing date. You can modify it according to your needs.

3. If you repay in full before the final repayment date (the same day can also be counted), you can enjoy interest-free treatment.

4. If you fail to repay in full before the final repayment date, you can choose the minimum repayment. The minimum repayment amount is about one-tenth of the full amount owed. Each period of bill will show Indicate the amount. This is not considered a malicious overdraft and will not affect your personal credit record, but interest will be charged on the full amount from the date of consumption, at a rate of 0.5% per day.