# XV-CZ-09

Source: https://xmlvalid.com/rules/XV-CZ-09

> LegalMonetaryTotal/DifferenceTaxExclusiveAmount must equal the sum of DifferenceTaxableAmount in the VAT summary, in the foreign currency too (ISDOC 6.0.2, A.11).

- Level: error
- Rule sets: ISDOC amounts and identifiers Standard ISDOC 6.0.2
- Context: `/isdoc:Invoice/isdoc:LegalMonetaryTotal`
- Test: `cz:same(cz:dec(isdoc:DifferenceTaxExclusiveAmount), cz:dec($sub/isdoc:DifferenceTaxableAmount)) and (not(isdoc:DifferenceTaxExclusiveAmountCurr) or cz:same(cz:dec(isdoc:DifferenceTaxExclusiveAmountCurr), cz:dec($sub/isdoc:DifferenceTaxableAmountCurr)))`

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