1. The primary and secondary cards of ABC card refer to multiple cards corresponding to one cardholder at the same time. One of the cards is the main card, which has full operation authority for the card user, and the other cards are the auxiliary cards, which can be used for withdrawal, consumption and other services within the scope authorized by the main card.

2. The cardholder of the primary card can set and modify the credit limit control mode and regular credit limit of the secondary card at any outlet with the primary card and valid identity documents.

3. The deposit (withdrawal) of the main card and the auxiliary card increases (decreases) the account balance. ?

4. The available quota of the secondary card is related to the setting of the primary card.

5. The primary card can cancel the secondary card, and the secondary card cannot cancel the primary card. ?

6. When the main card is cleared, all the secondary cards must be recovered, and the secondary cards should report the loss.

Extended data:

Supplementary card regulations:

1. Each credit card master card can apply for at most two supplementary cards (which can be determined by the bank), and the master card holder has the right to request cancellation of its supplementary cards.

2. The credit limit of the secondary card shall be designated by the cardholder of the primary card independently, and shall not exceed the credit limit of the corresponding primary card; If the cardholder of the main card is not specified, the credit limit of the auxiliary card is the same as that of the main card.

3. All transaction funds, corresponding interest and expenses of the secondary card are included in the account of the primary card, and the cardholder of the primary card bears all repayment responsibilities. However, the primary cardholder and the secondary cardholder shall be jointly and severally liable for the debts owed.

China Agricultural Bank official website: supplementary card.