Section 485.601 - Basis and scope(a)Statutory basis. This subpart is based on section 1820 of the Act which sets forth the conditions for designating certain hospitals as CAHs.(b)Scope. This subpart sets forth the conditions that a hospital must meet to be designated as a CAH.58 FR 30671, May 26, 1993, as amended at 62 FR 46037, Aug. 29, 1997