The auxiliary card and the main card of the Agricultural Bank of China credit card share an account limit, and there is not much difference in use. The transactions of the main card and the auxiliary card are recorded in the same bill, and the main card is responsible for repayment. In addition, some businesses can only be applied by the host card holder, such as point redemption and quota adjustment.

For details, please consult the credit card customer service hotline. The secondary card of the Agricultural Bank of China credit card has the same consumption function as the primary card, but all debts incurred by the secondary cardholder when using the credit card are borne by the primary cardholder, who directly performs the debts to the card issuer or special unit. Therefore, most of the cardholders of the primary card and the secondary card have a common property relationship, or know and trust each other, and there are agreements such as gift, entrustment and paid commitment between them, which also determines that the primary card and the secondary card belong to the same account and share the credit line. The debit card secondary card at the beginning of ABC 95599 can use the funds in the current account of the main card for withdrawal, consumption and deposit the current deposit of the secondary card into the current account of the main card.

The debit card of ABC at the beginning of 622 has the function of payment control, which can control both the main card and the auxiliary card. Debit cards starting with 95599 do not have this function. In the relationship between ABC credit card holders and supplementary cardholders, the main cardholder of ABC credit card is in a dominant position and has the right to decide to add or cancel supplementary cards, while the supplementary cardholders are in a subsidiary position. When the main card is cancelled, the supplementary card should be returned to the card issuer voluntarily. When the main cardholder requests to stop using the supplementary card midway, he should also return the supplementary card to the card issuer, and the outstanding debt will still be borne by the main cardholder.