Hi,
We are sorry you are are having issues with your VAT registration.
In order to amend your date of registration you need to write to us at the following address:
BT VAT
HM Revenue and Customs
BX9 1WR
United Kingdom
Please send your request again to this address. If you have not heard anything after two weeks please contact our VAT team so we can check progress.
VAT: general enquiries
Thank you.