IFC (IFC4X3_ADD2) development


Semantic definition

A reference number to an external contract technical specification section describing either (a) minimum performance requirements of a given IfcProductType/IfcProduct or (b) a preselection for a specific IfcProductType/IfcProduct made for this project.

Referenced in
Table 99f2023c-5271-4554-a80b-ff7adf5acf72

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