[OP-T10-R001]-Contract document type code MUST be coded using UNCL 1001 list BII2 subset. [OP-T10-R002]-An Endpoint Identifier Scheme MUST be from the list of PEPPOL Party Identifiers described in the "PEPPOL Policy for using Identifiers". [OP-T10-R003]-A Party Identifier Scheme MUST be from the list of PEPPOL Party Identifiers described in the "PEPPOL Policy for using Identifiers". [OP-T10-R004]-A payee account identifier scheme MUST be from the Account ID PEPPOL code list [OP-T10-R006]-Unit code MUST be coded according to the UN/ECE Recommendation 20 [OP-T10-R008]-A Party Company Identifier Scheme MUST be from the list of PEPPOL Party Identifiers described in the "PEPPOL Policy for using Identifiers". [OP-T10-R009]-TaxCurrencyCode MUST be coded using ISO code list 4217 [OP-T10-R010]-SourceCurrencyCode MUST be coded using ISO code list 4217 [OP-T10-R011]-TargetCurrencyCode MUST be coded using ISO code list 4217