If you need to modify the customer information of Chongqing Great Wall Flower Season Card, you need to be accompanied by the legal guardian, and go to the business outlet of Bank of China with the legal guardian's valid ID card and household registration book (or certificate to prove guardianship); It can also be handled by your legal guardian with the above documents. 16 years old or below 18 years old, if you can provide valid income proof to prove that you have full capacity for civil conduct, you can also handle it yourself.
The above contents are for your reference. Please refer to the actual business regulations.
If in doubt, please consult the online customer service of China Bank or download and use the mobile banking APP of China Bank to handle related business.