<simpleType name="ReferenceInformationIndicatorType">
    <restriction base="NMTOKEN">
        <enumeration value="AFENumber" />
        <enumeration value="BatchNumber" />
        <enumeration value="BillOfLading" />
        <enumeration value="Certification" />
        <enumeration value="CertifiedInspectionTestResults" />
        <enumeration value="ConfigurationNumber" />
        <enumeration value="ContractNumber" />
        <enumeration value="CostAllocationReference" />
        <enumeration value="CostCenter" />
        <enumeration value="CustomerAccountingReference" />
        <enumeration value="CustomerReferenceNumber" />
        <enumeration value="DeliveryTicketNumber" />
        <enumeration value="DivisionIdentifier" />
        <enumeration value="EngineeringChangeOrderNumber" />
        <enumeration value="JobNumber" />
        <enumeration value="LetterOfCreditNumber" />
        <enumeration value="LocationNumber" />
        <enumeration value="MaterialSafetyDataSheet" />
        <enumeration value="OperatorGeneralLedgerCode" />
        <enumeration value="OriginalInvoiceNumber" />
        <enumeration value="PriceAreaNumber" />
        <enumeration value="ProjectNumber" />
        <enumeration value="ProposaNumber" />
        <enumeration value="QuoteNumber" />
        <enumeration value="RequestForQuotationNumber" />
        <enumeration value="TemplateNumber" />
        <enumeration value="ShipperNominationNumber" />
        <enumeration value="ShipperNominationLineItemNumber" />
        <enumeration value="Other" />
        <enumeration value="CarrierNominationNumber" />
        <enumeration value="CarrierNominationLineItemNumber" />
        <enumeration value="MarketplaceNominationNumber" />
        <enumeration value="MarketplaceNominationLineItemNumber" />
    </restriction>
</simpleType>

• ReferenceInformationIndicatorType
• pidx:referenceInformationIndicator