If it is a CMB credit card, the CMB credit card supplementary card is applied for by the main card for immediate family members (parents, spouse or children), and the supplementary card can enjoy the credit limit of the main card (the main card can limit the credit limit of the supplementary card) Set up), the account will be listed in the principal cardholder's statement, and the principal cardholder will pay the account together. Applicants can apply for the main card and supplementary card at the same time, and apply for the supplementary card separately. The main cardholder must already hold the card (excluding international student credit cards).

The principal cardholder can adjust it at will. Log in to online banking and go to the card management-card limit adjustment interface to adjust the limit at any time. The minimum can be adjusted to 0. It depends on the adjustment of the principal cardholder.