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.
The .wrf file extension is most commonly associated with the WebEx recording software. The WRF files contain audio and video recordings created by this software. WebEx is commonly used to create computer tutorials and demonstrations for online training purposes.he .wrf file extension is most commonly associated with the WebEx recording software. The WRF files contain audio and video recordings created by this software. WebEx is commonly used to create computer tutorials and demonstrations for online training purposes.