SACC
From VistApedia
The SACC or the Standards and Conventions Committee is a committee that creates the SAC document, which is an overview of program and development standards used by the VA, and adopted by the VistA Community, (OpenVistA, WorldVistA members and others) to provide a consistent programming environment.
The latest known update is at : http://hardhats.org/tools/SACC_20180403.pdf