Yes, the premise is that the cardholder (your husband) goes to the bank with you to change the reserved mobile phone number, so that you can bind the mobile phone card and check the account status at any time.

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General credit cards have main cards and supplementary cards. Both of them use one fund account, but they must be applied for separately. At the same time, the main card and the supplementary card are relatively independent, and different transaction passwords can be set.

Supplementary cards can be said to be derivatives of the main card. They use the funds and credit limit of the main card. The amount of overdraft consumption will eventually be returned by the main card applicant, so people who use supplementary cards do not Documentation proving financial ability is required. If your spouse or immediate family member does not meet the application conditions for a credit card or is not old enough to apply for a main card but needs a credit card, he or she can apply for a supplementary card based on your main card.

The premise for the existence of the supplementary card is the existence of the main card. The consumption repayment and credit history of the supplementary card are recorded on the head of the main card holder. Therefore, the main card holder should pay attention after applying for the supplementary card and make sure that the card is used by a trustworthy person, preferably a spouse or immediate family member.

In addition, since the main card and the supplementary card have the same credit limit, two people may not know how much the other party has consumed during use. Once the consumption limit exceeds the credit limit, the merchant will have to ask the card-issuing bank Making temporary over-authorization will bring inconvenience to consumers.

The card numbers of the main bank card and the supplementary card are different. The differences between the main card and the supplementary card are as follows:

1. The annual fees are different

The main card has Annual fees, supplementary cards also have annual fees, which are generally about half of the annual fees of the primary card. Like the main card, most supplementary cards have annual fees that can be reduced by swiping the card a certain number of times or a certain amount.

2. Different credit limits

Both the primary card and the secondary card have consumption functions, and the overdraft limit of the secondary card is lower than that of the primary card. The limits of the main card and the supplementary card are the same. When the overdraft limit of the main card has reached the upper limit, the supplementary card cannot continue to spend.

The cumulative overdraft limit of the main card and the supplementary card cannot exceed the maximum overdraft limit of the main card, then the supplementary card cannot make purchases, and the cumulative credit limit of the two credit cards must not exceed the maximum limit of the card.

3. Different rights and interests

The primary card belongs to the account holder and must have the right to decide on changes and cancellations of the account. It also has absolute management rights over the secondary card. The primary cardholder of a credit card can apply for multiple supplementary cards from the bank, or change the cardholder of the supplementary card. However, the holder of the supplementary card cannot apply for the supplementary card of the main card or change the cardholder information.

The primary cardholder can set the limit of the secondary card. When the cardholder cancels the primary card, the secondary card will not be able to be used. When the primary cardholder cancels the secondary card, the secondary card will no longer be able to be used. If there is any outstanding debt on the secondary card, it will be fully repaid by the primary cardholder. If the main card or secondary card is lost, the consumption of the other card will not be affected.