On 30th December 2022 there was an issue with CDS declarations where VAT charges had been duplicated, this also duplicated excise duty.
A fix has been implemented and CDS declarations can be submitted as normal.
If you use a Duty Deferment Account for VAT or Excise payments, and have duplicate charges as a result of the issue on Friday 30th December 2022. HMRC have advised the following… We can process a Current Month Adjustment (CMA). In order to make the adjustment before the next Direct Debit, the form C285 must be received and processed by Friday 6th January 2023.