1. Open the official mobile banking application of Bank of China and log in with your account. In the application home page or main menu, find and select the option related to Credit Card.
2. In the relevant pages of the credit card, find and select "settlement voucher" or similar options, and fill in the necessary information according to the application guide to generate a settlement voucher.
3. After confirming that the information filled in is correct, submit the application for generating settlement voucher, and the application will generate settlement voucher. You can choose to save it as an electronic file or send it to an email address. Print settlement vouchers or save electronic files to mobile phone photo albums or other locations as needed.