The conclusion is that no matter whether you use the primary or secondary credit card for consumption, the primary card will receive relevant notifications. The following is a detailed description of how the consumption of the supplementary card affects the main card:

The consumption of the main card and the supplementary card are closely related. The main card user can control the consumption of the supplementary card at any time by querying the consumption details and SMS notifications. Condition. The SMS reminder function allows users to choose to send transaction information to the primary card, so that even if the secondary card is used, the primary card holder can be informed in real time.

When setting up additional card transaction SMS, users can choose three methods: send only the primary card, only send the secondary card, or send both. In this way, even if you do not want your parents or other family members to know the consumption details, you need to ensure that the bills are not sent directly to your home, or are managed electronically to avoid exposing consumption records on paper bills or online banking.

Applying for a credit card usually requires providing personal identification documents, such as ID card, employment certificate or income certificate, and the whole process takes about half a month. While protecting personal privacy, be sure to ensure the security of personal information when applying for a credit card.

In addition, Bank of China’s credit card supplementary card management service provides additional functions, such as setting the supplementary card transaction limit, limiting it to the main card limit, and enabling transaction SMS reminders to facilitate users to track supplementary cards at any time. dynamic. At the same time, users can also check transaction details within three months through online banking to further ensure control over credit card supplementary card consumption.

In general, although the main credit card has some understanding of the supplementary card consumption, through reasonable settings and management, users can balance privacy and information transparency.