VAEC3031 - Section 73(1) and 73(2) assessments: Trader has used a scheme for which they are not eligible
The procedural guidance in this manual only covers the VAT Mainframe and VISION processes. For guidance on the Making Tax Digital and ETMP processes for fully migrated customers, see VAEC0200 and the Making Tax Digital for VAT compliance toolkit.
You must advise the trader that they are not eligible to use the scheme they have chosen (giving the date that such ineligibility arose) and ask them to choose another scheme for which they are eligible
The trader will normally be expected to recalculate their output tax for the periods in which they were ineligible to use the chosen scheme. You should consider raising an assessment for any tax due, with penalties and interest if appropriate.