After the main cardholder agrees, fill in the supplementary card column in the credit card application form. Both the main cardholder and the supplementary cardholder must sign the application form, and the main cardholder also needs to fill in the credit limit granted to the supplementary card. The limit range is directly from 10% to 100% of the credit line of the principal cardholder, and can only be an integer multiple of 10%. At the same time, you need to provide a copy of the ID card of the supplementary cardholder.
By the way, the condition for the applicant to apply for a supplementary card is that the holder of the supplementary card must be at least 16 years old, that is, at least a restrictive actor in the civil law, but at present some banks have lent money to 14 years old, which is subject to the regulations of each bank.
To apply for the supplementary card of Bank of Communications, you need to know the following points:
Because the supplementary card is attached to the main credit card, the supplementary card has no separate quota, and its usage quota can only be used within the quota range given by the main cardholder, occupying the quota of the main card.
The main cardholder has full responsibility and rights for the supplementary card, and the supplementary cardholder only has the right to use it. That is, the main cardholder can ask the bank to adjust the supplementary card quota or stop using the supplementary card at any time, but the supplementary cardholder has no right to ask the bank to do anything about the supplementary card, including canceling the account.
The main cardholder is fully responsible for the debts of the supplementary card, that is, the consumption bill of the supplementary card needs to be repaid by the main cardholder and will not change due to the change of the relationship between the main cardholder and the supplementary cardholder.
Above! The secondary card is not used as the main card, which means that two credit cards are paid by one person, so the secondary card should be used more carefully.
I hope my answer can help the landlord!