Can I change my payment details once my order has been submitted? Customer Service 31 August 2021 11:20 No, unfortunately you are not able to amend your payment details once your order has been submitted. If you need to cancel your order for any reason, please see information on cancelling your order. Related articles Can I cancel my order? Can I use two promotional codes together? I forgot to add my promotional code, what can I do? Has my order been placed? I received my order but there are some items missing. What should I do?