Ah right, thank you! The email they sent panicked me a little. It only mentions 3 scenarios on the email and none are about changing bank accounts for the DD!

Hi I pay by monthly instalments for my car tax and I want to change my bank account direct debit details, so yesterday I cancelled the direct debit and will re-tax the vehicle on 1st August. I have now received an email from the DVLA saying I need to re-tax it. The payment for July has been taken out already. I read the gov.uk website (change accounts part) before cancelling the DD, which clearly gives an example: Example You pay by Direct Debit every month, but want to pay from a different account. You cancel the Direct Debit with your bank on 5 June. You can continue driving y