Class (IFC) as a neutral AEC product model responding to the AEC building lifecycle. A further name change occurred in 2005, and the IFC specification is now developed and maintained by buildingSMART.

IFC specifications

The following IFC specification versions are available:

* IFC4.3 Add2 (2024)
* IFC4.2 (2019-04): withdrawn
* IFC4.1 (2018-86): withdrawn
* IFC4 Add2 TC1 (2017)
* IFC4 Add2 (2016)
* IFC4 Add1 (2015)
* IFC4 (March 2013)
* ifcXML2x3

1.Previous
3.Next