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.
ARF stands for Advanced Recording File. Files with the .arf extension are most commonly used by the WebEx online meeting software. The ARF files contain recordings of the online meetings conducted with the WebEx application and include meeting video data, a table of contents, attendee list and other meeting information.he ARF files contain recordings of the online meetings conducted with the WebEx application and include meeting video data, a table of contents, attendee list and other meeting information.