4.3.4.2 Element Occurrence Attributes

Physical elements may be further identified via the Tag attribute. This is a human readable identifier such as an element or item number While there is no restriction on usage of such tags, it is recommended the Tag is unique within it's containing scope.

Figure 17 illustrates an instance diagram.

Element Occurrence AttributesIfcElementIfcIdentifier

Figure 17 — Element Occurrence Attributes

Bridge View

Entity
IfcElement-
-		 O
O		 -
-		 -
-

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