Domestic reverse charge means the customer accounts for the VAT instead of the supplier.
If you sell these goods, don't charge VAT on the invoice
If you buy these goods, declare the VAT on your VAT Return
NOTE:
Enable VAT reverse charge on the customer or supplier record before you create the invoice. Sage Accounting then automatically displays the reverse charge VAT values when reverse charge applies.
HMRC domestic reverse charge VAT rules apply to certain goods and services, including wholesale energy, mobile phones and some construction services.
For more information, read HMRC's procedure on domestic VAT reverse charge on gov.uk.
Cause
Resolution
Use these steps to record a sale or purchase where VAT reverse charge applies: