<xsd:simpleType name="CommodityDayTypeEnum">
    <xsd:annotation>
        <xsd:documentation source="http://www.FpML.org" xml:lang="en">A day type classification used in counting the number of days between two dates for a commodity transaction.</xsd:documentation>
    </xsd:annotation>
    <xsd:union memberTypes="DayTypeEnum">
        <xsd:simpleType>
            <xsd:restriction base="xsd:token">
                <xsd:enumeration value="GasFlow">
                    <xsd:annotation>
                        <xsd:documentation source="http://www.FpML.org" xml:lang="en">When calculating the number of days between two dates the count includes only gas flow days (dates on which gas is delivered).</xsd:documentation>
                    </xsd:annotation>
                </xsd:enumeration>
                <xsd:enumeration value="NearbyContractDay">
                    <xsd:annotation>
                        <xsd:documentation source="http://www.FpML.org" xml:lang="en">The days that are starting from the end of the prior nearby futures/option contract through the nearby futures/option contract as specified in the message. For example: If referring to the Z21 WTI contract, first day of this type will be 21-Oct-21 and the last day of this type will be 19-Nov-21.</xsd:documentation>
                    </xsd:annotation>
                </xsd:enumeration>
            </xsd:restriction>
        </xsd:simpleType>
    </xsd:union>
</xsd:simpleType>

• CommodityDayTypeEnum
• nsE:dayType