Don't. According to jintou's credit card network. Com, the high-end top-level cards of Bank of Communications, such as standard platinum card, UnionPay diamond card and MasterCard World Polar Card, began to charge annual fees from September 30th, 20 12, instead of checking the cards, they charge annual fees after the cards are activated, so it is not necessary to check the savings cards for the MasterCard series diamond cards of Bank of Communications.