1. You must call the customer service center of China bank's credit card at 46695566 to apply for opening the 3D authentication function.

2. If you use the mobile phone verification code as the dynamic verification code, you must ensure that the mobile phone number entered during the transaction is consistent with the mobile phone number reserved by you in BOC. If the mobile phone numbers are inconsistent, BOC will not send the mobile phone verification code for security reasons. If the reserved mobile phone number of the credit card is no longer used, please change it in time. The SMS verification code cannot be sent to the mobile phone number of overseas operators, but only to the mobile phone number of domestic operators. If you intend to use online banking ETOKEN as a dynamic verification code, you need to bind the ETOKEN with the credit card in the wealth management online banking in advance. If you are not a wealth management online banking customer, you can bring your ID card to any outlet of BOC to bind your credit card with the dynamic password card.

3. In the transaction process of overseas websites, you need to enter the dynamic verification code in addition to the credit card number, expiration date and other information to complete the transaction.

4. after the dynamic verification code is verified, the transaction is completed.

The above contents are for your reference. Please refer to the actual business regulations.

if you have any questions, please consult the online customer service of China Bank or download and use the mobile banking APP of China Bank to consult and handle related business.