Hey there Alastair 👋
Thanks for the question! We'd like to help out. Could you kindly please reach out to our in-app support center or support@bunq.com so we can get to the bottom of this issue ASAP 🚀
Our guides can help you by manually adding the tax ID you prefer. If you can come up with a screen recording/screenshot that'd be even better, so we can do a comprehensive research to see if this is a potential bug or not!
Wish you a great evening ahead 🌈
