1. Application conditions for supplementary cards of Bank of China credit cards

Applicants for the main card of Bank of China credit cards can apply for supplementary cards from immediate family members over 16 years old (including children, spouses, parents) , the required information includes a copy of the supplementary card applicant’s ID card and a copy of the household registration book.

2. Rules for the use of Bank of China’s subsidiary credit cards

1. The principal cardholder can designate the credit limit of the supplementary card. For supplementary cards, the main card's limit can be 10 of the main card's limit, or 10 of the main card's limit, up to 100 of the main card's limit.

2. Canceling the supplementary card account will not affect the use of the main card. If the main card account is cancelled, all supplementary cards under it will be cancelled.

3. If you have a balance on the supplementary card, you can only deposit the money into the supplementary card, not the main card. That is, the main card returns to the main card, and the secondary card returns to the secondary card.

3. How to apply for a Bank of China credit card supplementary card

Method 1: When filling in the Bank of China credit card application form, if there is supplementary card applicant information in the supplementary card applicant information column , you can apply for an additional card at the same time after being prompted in the information filling column.

Method 2: Main cardholders of Bank of China credit cards can bring the identity documents and copies of household registers of applicants for the main card and supplementary card to the Bank of China business office.