# FX-SCH-A-000051

Source: https://xmlvalid.com/rules/FX-SCH-A-000051

> Value added tax point date (BT-7) and Value added tax point date code (BT-8) are mutually exclusive.

- Level: error
- Rule sets: Factur-X BASIC rules 1.09
- Context: `//ram:ApplicableHeaderTradeSettlement/ram:ApplicableTradeTax`
- Test: `((ram:TaxPointDate) and not (ram:DueDateTypeCode)) or (not (ram:TaxPointDate) and (ram:DueDateTypeCode)) or (not (ram:TaxPointDate) and not (ram:DueDateTypeCode))`

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