4 years have passed since the last update of the Masterformat list issued by the construction specifications institute -CSI- in USA
The previous version was issued in 2018 and the most famous version was issued in 1995 which was divided to 16 division, the next version had many updates and the number of the divisions reached 50 including some empty divisions reserved for future expansion and was issued in 2004.
The new version is still divided into 50 divisions and to 5 subgroups which are
Masterformat of CSI is a very successful and intelligent way of organizing the construction documents in the USA &CANADA and many other parts in the Mena region.
For more information, you can visit the CSI official website