<xsd:simpleType name="PaymentCardIssuer_Enum_Base">
    <xsd:annotation>
        <xsd:documentation source="Description">Source: OpenTravel</xsd:documentation>
        <xsd:appinfo>
            <otm:OTA2Entity type="EnumerationOpen" xmlns:otm="http://www.OpenTravel.org/ns/OTA2/AppInfo_v01_00">PaymentCardIssuer_Enum</otm:OTA2Entity>
        </xsd:appinfo>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="VISA" />
        <xsd:enumeration value="USAirways" />
        <xsd:enumeration value="UnitedAirlines" />
        <xsd:enumeration value="StarwoodHotels" />
        <xsd:enumeration value="SouthwestAirlines" />
        <xsd:enumeration value="RitzCarlton" />
        <xsd:enumeration value="Mastercard" />
        <xsd:enumeration value="Mariott" />
        <xsd:enumeration value="Hyatt" />
        <xsd:enumeration value="Hilton" />
        <xsd:enumeration value="Eurocard" />
        <xsd:enumeration value="Disney" />
        <xsd:enumeration value="DiscoverCard" />
        <xsd:enumeration value="DeltaAirlines" />
        <xsd:enumeration value="ContinentalAirlines" />
        <xsd:enumeration value="Citibank" />
        <xsd:enumeration value="Chase" />
        <xsd:enumeration value="CapitalOne" />
        <xsd:enumeration value="BritishAirways" />
        <xsd:enumeration value="BankOfAmerica" />
        <xsd:enumeration value="AmericanExpress" />
        <xsd:enumeration value="Other_" />
    </xsd:restriction>
</xsd:simpleType>

• PaymentCardIssuer_Enum_Base
• ota2-0300:PaymentCardIssuer_Enum
• fin-0300:issuerCode