Just a few. :)
For children between the ages of 8-18 who do not have a bank account opened in their name, you must be a resident individual account holder. You must also have the BT Pay app for which you have gone through the identification process, which requires a photo of your ID card.

For children aged under 14-18 who have an account and card issued in their name, you must be a natural person, the account holder, and be the sole signatory authorized on the minor's account. You must also have the BT Pay application for which you have gone through the identification process, which requires a photograph of the ID card.