So, if your parents need it, you can apply for supplementary cards for them to use. The main card can set the usage quota for the supplementary cards, and you can directly check the transactions of the supplementary cards, which is a good solution.
Extended information:
A credit card, also called a debit card, is a credit certificate issued by a commercial bank or credit card company to a qualified consumer. It is in the form of a card with the name, expiration date, number and cardholder's name printed on the front, and a magnetic stripe and signature strip on the back. Consumers with credit cards can go to special commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed limit.
The credit card stipulated in the relevant laws of our country (Interpretation of the NPC Standing Committee on the Provisions on Credit Cards) refers to the electronic payment card issued by commercial banks or other financial institutions with all or some functions such as consumer payment, credit loan, transfer settlement, cash deposit and withdrawal. On December 1, 217, the Standard for English Translation and Writing in Public Service Field was officially implemented, stipulating that the English name of the CreditCard standard is Credit Card.
credit card consumption is a non-cash transaction payment method, and it is not necessary to pay cash when spending, and the repayment will be made on the BillingDate.
Credit cards are divided into credit cards and quasi-credit cards. Credit cards refer to credit cards with a certain credit limit within which the cardholder can spend first and then repay. Quasi-credit card refers to a quasi-credit card in which the cardholder deposits a certain amount of reserve fund as required, and when the balance of the reserve fund account is insufficient to pay, it can be overdrawn within the specified credit limit. The credit card generally refers to a credit card.
from January 1, 221, the credit card overdraft interest rate will be determined by the card issuer and the cardholder through independent negotiation, and the upper and lower limit management of the credit card overdraft interest rate will be cancelled (the original upper limit is .7 times of the daily interest rate, and the lower limit is .7 times of the daily interest rate).
On May 25th, 221, the Supreme People's Court promulgated and implemented the Provisions of the Supreme People's Court on Several Issues Concerning the Trial of Civil Disputes over Bank Cards.