ibr-153-ae
When the Tax accounting currency (IBT-006) is set to AED and the invoice currency code (IBT-005) differs from AED, the source currency must be designated as the invoice currency code (IBT-005), and the target currency must be specified as the Tax accounting currency (IBT-006), provided that the currency exchange rate (BTAE-04) is available
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
/ubl:Invoice | /cn:CreditNotenot(cbc:TaxCurrencyCode = "AED" and cbc:DocumentCurrencyCode != "AED" and (not(cac:TaxExchangeRate/cbc:SourceCurrencyCode = cbc:DocumentCurrencyCode) or not(cac:TaxExchangeRate/cbc:TargetCurrencyCode = cbc:TaxCurrencyCode) or not(cac:TaxExchangeRate/cbc:CalculationRate)))Checked with PINT UAE Invoice, PINT UAE Credit Note