Is it necessary to cancel the postal short deduction of 30

It's not necessary. After the postal bank card is opened, the transaction records in the bank card can be better inquired after deducting the short message fee in 30 yuan, and it is more convenient to send short messages at any time. There is no need to cancel, you can continue to use. The annual fee for short deduction of 30 yuan by postal service can be cancelled, and the SMS reminder service for cancellation of bank card belongs to the contract service. Cardholders need to bring their ID card and bank card to the issuing bank for handling.