#### 8.14.2.1 IfcObjectReferenceSelect

IfcObjectReferenceSelect is a select type, that holds a list of resource level entities that can be used as property values for an IfcPropertyReferenceValue being a property within an IfcPropertySet.

> HISTORY New select type in IFC2.0.

> IFC4 CHANGE IfcTable added to the select.

XSD Specification:

<xs:group name="IfcObjectReferenceSelect">
<xs:choice>
<xs:element ref="ifc:IfcAddress"/>
<xs:element ref="ifc:IfcAppliedValue"/>
<xs:element ref="ifc:IfcExternalReference"/>
<xs:element ref="ifc:IfcMaterialDefinition"/>
<xs:element ref="ifc:IfcOrganization"/>
<xs:element ref="ifc:IfcPerson"/>
<xs:element ref="ifc:IfcPersonAndOrganization"/>
<xs:element ref="ifc:IfcTimeSeries"/>
</xs:choice>
</xs:group>

EXPRESS Specification:

TYPE IfcObjectReferenceSelect = SELECT (
| IfcMaterialDefinition, IfcPerson, IfcOrganization, IfcPersonAndOrganization, IfcExternalReference, IfcTimeSeries, IfcAddress, IfcAppliedValue);
END_TYPE;

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