# Purpose The purpose of the Free Open Source Software Interest Group (FOSSIG) is: - to apply S1000D to the documentation of free software - to develop free software to support S1000D projects # Scope One of the goals of the FOSSIG is to develop a layer of common business rules for free software projects based on the S1000D business rules decision points. ![Layered business rule structure](csdb/ICN-FOSSIG-A-00000000-A-KHZAE-00002-A-001-01.PNG) Another goal is to develop and maintain a generic Standard Numbering System (SNS) that captures common requirements of free software projects. # More information Additional information on S1000D and FOSSIG can be found online at and respectively.