1458 Industry Foundation Classes 2x2 Text (Structured) The Industry Foundation Classes (IFC) data model is intended to describe building and construction industry data. It is a platform neutral, open file format specification that is not controlled by a single vendor or group of vendors. It is an object-based file format with a data model developed by buildingSMART (formerly the International Alliance for Interoperability, IAI) to facilitate interoperability in the architecture, engineering and construction (AEC) industry, and is a commonly used collaboration format in Building information modeling (BIM) based projects. 208 Catenda / Catenda 14 Jul 2014 14 Jul 2014 fmt/659 PUID ifc File extension 991 Industry Foundation Classes 2x2 BOF: ISO-10303-21{0-4096}FILE_SCHEMA{0-1}({0-1}('IFC2X2 1 Absolute from BOF 0 0 49534F2D31303330332D3231{0-4096}46494C455F534348454D41{0-1}28{0-1}2827494643325832 Has priority over 1497 Standard for the Exchange of Product model data