>

                <xs:simpleType name="driver-license-number">
                    <xs:restriction base="dmv:requiredNonEmptyString">
                        <xs:maxLength value="8"/>
                    </xs:restriction>
                </xs:simpleType>

                <xs:simpleType name="change-address">
                    <xs:restriction base="xs:string">
                        <xs:enumeration value=""/>
                        <xs:enumeration value="N"/>
                    </xs:restriction>
      