Introduction -. On March 13, 2013, the Centers for Medicare & Medicaid Services (CMS) concurrently issued CMS Ruling Number CMS-1455-R (the Administratorâs Ruling) and a proposed rule, âPart B Inpatient Billing in Hospitalsâ (the Proposed Rule).
Topics covered in this Lesson: XRefs (External Reference Files in AutoCAD) An XRef is an âexternal reference' to another AutoCAD drawing file. One file can reference many other files and display them as if they were one. These are used in larger projects for many reasons: They keep the file sizes down.
DXF (Drawing Exchange Format) is a CAD data file format, an open vector data format, it is used for data exchange between AutoCAD and other software, it has two types: ASCII format (more readable) and binary format (more smaller), this file format is also widely used now, almost all CAD systems can import or export DXF data.