<xs:element name="IsDualVariable" type="commons:nullable-boolean" minOccurs="0" maxOccurs="1">
    <xs:annotation>
        <xs:documentation>
						A commission rate is a dual commission
						rate, a variable commission rate, or both. 
						See the	variable rate commission element for
						the amount.
						A dual or variable rate commission arrangement 
						is one in which the seller agrees to pay a 
						specified commission if the property is sold 
						by the listing broker without assistance and 
						a different commission if the sale results 
						through the efforts of a cooperating broker, 
						or one in which the seller agrees to pay a 
						specified commission if the property is sold 
						by the listing broker either with or without 
						the assistance of a cooperating broker and a 
						different commission if the sale results 
						through the efforts of a seller.
					</xs:documentation>
        <xs:appinfo>
            <retsid>101244</retsid>
            <example>
            </example>
        </xs:appinfo>
    </xs:annotation>
</xs:element>

• commons:nullable-boolean
  • IsDualVariable