1. Handle it together with the main card: When handling the main credit card, you can apply for a supplementary credit card together with the application form, and fill in the ID card information of the supplementary credit card holder;

2. Handling after the issuance of the main card: After the issuance of the main card, the cardholder of the main card must fill in the application form for handling the secondary card at the service outlet of the corresponding bank, provide the credit card number of the main card, and then submit the ID card information of the cardholder of the secondary card to the bank for handling.

This is how to apply for a credit card sub-card.

Introduction of credit card secondary card

Compared with the main card, the cardholders of the credit card sub-card are only the parents, other half and children of the main card holder. The setting of the card opening and login password of the secondary card is controlled by the main card separately, but the holder of the main card can handle it on his behalf. The annual fee of a credit card is generally half that of the main card, and the main card has all the transaction information of the auxiliary card. The transaction list of the main card and the auxiliary card is used together with the auxiliary card, and then it is convenient for the cardholder to master the usage of the auxiliary card on the bill of the main card, and collect the consumption, withdrawal and other transactions of the auxiliary card and the corresponding service fee on the account of the main card. This paper is mainly about how to apply for relevant knowledge points for credit card sub-cards, and the content is for reference only.