The credit card transaction security lock includes four functions: one-button lock, cash withdrawal lock, arbitrary lock and limit management, which protect the cardholder from using the card safely. At present, ICBC, China Construction Bank, Industrial Bank, Minsheng Bank, China Merchants Bank, China CITIC Bank and many other banks have launched credit card "security locks", and different banks have different "security locks" functions.
first, there is a card consumption lock. After selecting to turn on this function, the cardholder will not be able to conduct any card-holding transactions (domestic and foreign chip or magnetic stripe transactions), including consumption and pre-authorization.
second, ATM lock. When this function is turned on, the cardholder will not be able to make cash withdrawal transactions at ATM (excluding balance inquiry).
third, no card transaction lock. When this function is turned on, any transaction that the cardholder does not need to read the card will be blocked, such as online payment (including fast payment).
iv. cross-border transaction lock. When this function is enabled, the cardholder will not be able to conduct overseas transactions, including consumption abroad and overseas cash withdrawals.
1. Every expenditure or transaction of a credit card is a cumulative number of consumption times, and the amount is not limited. A 1-cent transaction is also considered as a consumption. Credit cards generally have a three-day grace period after the repayment date, and repayment within the grace period is regarded as timely repayment;
1. If it is paid off in full, no expenses will be incurred;
2. If the repayment amount is less than the minimum repayment specified by the bank, it will be deemed overdue, with interest of .5%, and a late fee of 5% of the unpaid part of the minimum repayment amount will be charged;
3. If the repayment amount is greater than or equal to the minimum repayment, and less than the full repayment, interest shall be paid at .5%;
if the repayment exceeds the grace period, it will be deemed overdue: the interest will be .5%, and there will be a late fee.
2. Cash withdrawal by credit card:
1. Cash withdrawal by credit card overdraft:
A handling fee: depending on the regulations of banks, for example, the handling fee for cash withdrawal by Ping An credit card is 2.5%, with a minimum 25 yuan per transaction; The credit card of CCB is charged at .5% of the cash withdrawal amount within China, with a minimum of RMB 2 yuan and a maximum of 1 yuan. The credit card of China Merchants Bank is charged at 1% of the cash withdrawal amount, with a minimum of RMB 1 yuan per transaction;
B interest: calculated at five ten thousandths of the daily interest.
2. Cash withdrawal of credit card overpayment: Some banks need to charge a handling fee, while others don't. For example, the handling fee of China Merchants Bank is .5% of the withdrawal amount, and the minimum charge is ￥5 yuan or $1.