1. Generally, the validity period of a credit card is printed under the card number of the credit card. VALIDTHRU is the validity period of the credit card, and the previous month and the next year are separated by "/". For example, 05/20 means that the credit card is valid for May 2020, and you can fill in the validity period according to this format.

Generally speaking, the credit card is valid for three years. After the expiration, the use of credit cards will be restricted. Cardholders can continue to use it by replacing it with a new card. Generally, two months before the expiration, the bank will automatically issue a new card to the cardholder.