Debit cards do not have CVC codes. According to the official website of the Industrial and Commercial Bank of China, ICBC's CVC code refers to the credit card security code, which is a safe authentication method for credit cards when conducting online payments and telephone transactions. The ICBC credit card CVC code is found on the back of the credit card and is a three-digit code. ICBC's debit card does not have a CVC code. Debit cards are mainly used for cash deposits and withdrawals, transfers and remittances, and do not require security authentication.