Hi Nina_Z!
I understand that you need to add your bank details to your invoice templates. Let me help you.
Currently, it'll sync into all your invoice templates when you add info in the Your payment details section. What I can suggest is to enter the bank details in the Add footer text field. This is where you can add unique details to each template.
I've added some links you can check. These will explain more on how to personalise your sales forms:
Need more assistance? Keep on posting here and we'll reply as soon as we can.
