[UBL-CR-239]-A UBL invoice should not include the AccountingCustomerParty Party PartyTaxScheme TaxScheme CurrencyCode
UBL-CR-239
/ubl:Invoice | /cn:CreditNote
not(cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:CurrencyCode)