[PCL-010-002]-If FinancialAccountID is IBAN then Financial InstitutionID SHOULD be BIC code. [PCL-010-003]-Postal address identifiers SHOULD be GLN. [PCL-010-004]-Location identifiers SHOULD be GLN [PCL-010-005]-Standard item identifiers SHOULD be GTIN. [PCL-010-006]-Commodity classification SHOULD be one of UNSPSC, eClass or CPV. [PCL-010-008]-Party Identifiers MUST use the PEPPOL PartyID list [PCL-010-009]-Endpoint Identifiers MUST use the PEPPOL PartyID list.