The following updates are in effect for the Orthotics & Prosthetics (O&P) policy to comply with the Centers for Medicare and Medicaid Services (CMS) Attending, Rendering, Ordering, Prescribing or Referring Providers Federal Regulation, 42 CFR, Part 455.410, and to clarify compliance with the CMS Home Health Final Rule, 42 CFR, Part 440.70.