The main cardholder of Agricultural Bank credit card can apply for supplementary cards for parents, brothers and sisters, spouses or children and relatives over 16 years old, and the validity period of the supplementary cards is the same as that of the main card. The cardholder of the main card has the right to request cancellation of the supplementary card or termination of the payment of the supplementary card, and all transactions of the supplementary card are credited to the account of the main card.

Both the main credit card and the subsidiary credit card issued by Agricultural Bank of China support the basic functions of credit cards. The so-called basic functions of credit cards refer to the functions of overdraft consumption, overdraft withdrawal and installment payment. The main credit card of ABC can exist alone, while the subsidiary credit card of ABC, as its name implies, must be based on the existence of the main credit card before applying.

The main credit card and supplementary credit card of Agricultural Bank of China share the credit limit of the same credit card account. When the transaction is recorded in the same bill, the main cardholder will bear the responsibility of credit card repayment. Generally speaking, the personal points accumulated by secondary card transactions belong to the main card account. The holder of the secondary card shall not apply for cash withdrawal by credit card.