VDIM6050 | Interest adjustment: Processing Form VAT663
From HM Revenue & Customs · VAT Default Interest Manual
For periods that fall outside of penalty reform periods where an adjustment to the interest charged is required
Please review the section on interest amendments on ETMP within the VAT helpcards, for help and advice contact your local ETMP Primary User
Retired Systems
For information about retired VAT systems, go to VDIM1040