What is the notice of change of current account in postal savings card? What is this for? How do you cancel if you don't want it?

1. postal savings card current account change notice is a short message reminding function launched by the bank to remind customers of the planned account balance change by short message after the customer's account balance changes.

2. Notice of change of current account is charged, in 3 yuan every month and in 30 yuan every year.

To handle this business, I need to bring my ID card and bank card to any postal savings outlets.

4. To cancel the notice of account change, I need to go to any postal savings outlet with my ID card and attached bank card to fill in the application form of current account change to cancel it.