3 to 5 working days. According to the introduction of inquiring about the repayment regulations of CCB, CCB can handle the settlement certificate within 3 to 5 working days after prepayment. Now there are administrative examination and approval centers all over the country, which are responsible for handling these matters. The proof of settlement is to prove that your loan in the financial institution has been paid off. Simply put, it is a voucher. With this voucher, you can prove that you have paid off the loan and are eligible to get back what was mortgaged at the time of the loan.