VAT: correct errors on your VAT Return
Call to check HMRC has received your error correction notification if you haven’t had an acknowledgement after 21 days.
You can’t correct errors on your VAT Return over the phone.
0300 200 3700
8am to 6pm, Monday to Friday
Correct an error on your VAT Return by sending form VAT652 to:
HM Revenue and Customs
VAT Error Correction Team - SO864