INDUSTRY FOUNDATION CLASSES - IFC2x Edition 2 Addendum 1
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Copyright Exclusion Notice
Parts of the IFC2x Edition 2 Addendum 1 documentation contain material that is based on other international standards. This material is clearly indicated throughout the documentation and excluded from the Copyright by the International Alliance for Interoperability.
Documentation Notice
Parts of the IFC2x Edition 2 Addendum 1 documentation are marked as deprecated. The verb "deprecate" provides notice that the referenced portion of the specification is being retained for backwards compatibility with earlier versions but may be removed from a future version of the specification without further notice.
