# XV-CZ-02

Source: https://xmlvalid.com/rules/XV-CZ-02

> In the VAT summary, AlreadyClaimedTaxableAmount + AlreadyClaimedTaxAmount must equal AlreadyClaimedTaxInclusiveAmount, in the foreign currency too (ISDOC 6.0.2, A.10).

- Level: error
- Rule sets: ISDOC amounts and identifiers Standard ISDOC 6.0.2
- Context: `/isdoc:Invoice/isdoc:TaxTotal/isdoc:TaxSubTotal`
- Test: `cz:same(cz:dec(isdoc:AlreadyClaimedTaxableAmount) + cz:dec(isdoc:AlreadyClaimedTaxAmount), cz:dec(isdoc:AlreadyClaimedTaxInclusiveAmount)) and (not(isdoc:AlreadyClaimedTaxableAmountCurr and isdoc:AlreadyClaimedTaxAmountCurr and isdoc:AlreadyClaimedTaxInclusiveAmountCurr) or cz:same(cz:dec(isdoc:AlreadyClaimedTaxableAmountCurr) + cz:dec(isdoc:AlreadyClaimedTaxAmountCurr), cz:dec(isdoc:AlreadyClaimedTaxInclusiveAmountCurr)))`

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