# FX-SCH-A-000003

Source: https://xmlvalid.com/rules/FX-SCH-A-000003

> An Invoice shall have the Invoice total amount without VAT (BT-109).

- Level: error
- Rule sets: Factur-X MINIMUM rules 1.09, Factur-X BASIC rules 1.09
- Context: `//ram:SpecifiedTradeSettlementHeaderMonetarySummation`
- Test: `(ram:TaxBasisTotalAmount)`

Validate a document against these rules: https://xmlvalid.com/validate