Message

For Danish Suppliers PaymentID is mandatory and MUST start with 01#, 04# or 15# (kortartkode), and PayeeFinancialAccount/ID (Giro kontonummer) is mandatory and must be 7 characters long, when payment means equals 50 (Giro)

Context
ubl-invoice:Invoice[$DKSupplierCountry = 'DK' and $DKCustomerCountry = 'DK']/cac:PaymentMeans
Test
not((cbc:PaymentMeansCode = '50') and not(((substring(cbc:PaymentID, 1, 3) = '01#') or (substring(cbc:PaymentID, 1, 3) = '04#') or (substring(cbc:PaymentID, 1, 3) = '15#')) and (string-length(cac:PayeeFinancialAccount/cbc:ID/text()) = 7) ) )