2.a. After the credit card is overdue for 7 days, the bank may put it on the overdue list, which will have a negative impact on the credit record.

B. after the expiration, the bank may take measures to restrict the use of credit cards, such as freezing accounts, canceling credit lines or suspending services.

C. overdue repayment will lead to penalty interest and late payment fee, which will increase the cost of credit card use.

3. After the credit card is overdue for seven days, the normal use right is restricted, and it may be necessary to pay off the arrears in time to resume normal use.

4.

Extended information: Overdue repayment will not only damage personal credit records, but also affect the ability to borrow, lend or apply for other credit products in the future. Therefore, it is an important financial responsibility to maintain a good credit record and repay the credit card arrears on time. If you encounter temporary difficulties, it is recommended to contact the bank to find a solution, such as delaying repayment or making an installment plan.