# ibr-co-15

Source: https://xmlvalid.com/rules/ibr-co-15

> Invoice total amount with Tax (ibt-112) = Invoice total amount without Tax (ibt-109) + Invoice total Tax amount (ibt-110).

- Level: error
- Rule sets: PINT Billing rules 1.1.3, PINT Billing rules (as shipped with PINT AE) 1.0.4
- Context: `/ubl:Invoice | /cn:CreditNote`
- Test: `cac:TaxTotal/cbc:TaxIncludedIndicator = true() or ((cac:LegalMonetaryTotal/xs:decimal(cbc:TaxInclusiveAmount) = round( (cac:LegalMonetaryTotal/xs:decimal(cbc:TaxExclusiveAmount) + cac:TaxTotal[1]/xs:decimal(cbc:TaxAmount[@currencyID=/*/cbc:DocumentCurrencyCode])) * 10 * 10) div 100))`

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