<xs:simpleType name="AccuracySourceEnumType"><xs:annotation><xs:documentation>The AccuracySourceEnumType enumerates values that describe the type of source of an accuracy statement.</xs:documentation></xs:annotation><xs:restriction base="xs:NMTOKEN"><xs:enumeration value="MANUFACTURER_SPECIFICATION"/><xs:enumeration value="CUSTOM_CERTIFICATION"/></xs:restriction></xs:simpleType>