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.
OVF packages are often described as an OVF file, but it's more of a package. An OVF package is a collection of multiple files within a directory. One file is the .ovf file, which is an XML descriptor that outlines the package's metadata such as name, hardware requirements and references to other files within the package. Disk images and certificate files are also contained in an OVF package.