When specifying non-VAT Taxes for Danish customers, Danish suppliers MUST use the AllowanceChargeReasonCode="ZZZ" and MUST be specified in AllowanceChargeReason; Either as the 4-digit Tax category or must include a #, but the # is not allowed as first and last character
cac:AllowanceCharge[$DKSupplierCountry = 'DK' and $DKCustomerCountry = 'DK']not((cbc:AllowanceChargeReasonCode = 'ZZZ') and not(((string-length(normalize-space(cbc:AllowanceChargeReason/text())) = 4) and (number(cbc:AllowanceChargeReason) >= 0) and (number(cbc:AllowanceChargeReason) <= 9999)) or (((cbc:AllowanceChargeReason and contains(cbc:AllowanceChargeReason, '#') and not(starts-with(cbc:AllowanceChargeReason, '#')) and not(ends-with(cbc:AllowanceChargeReason, '#')))) ) ) )