Thanks for reporting this issue James, I hope your issue has been resolved.
For subscription issue and billing issue, it's very difficult for community to help for those issue to protect your privacy, since it needs a lot of your private information. For those question, I would like to suggest your raising a ticket here -
https://azure.microsoft.com/en-us/support/create-ticket/
Billing and subscription management support is available to all Azure customers.
A support engineer will help you check on more backend details.
We are happy to help other tech questions, please feel free to let us know. I hope this helps!
Regards,
Yutong