456.506—Waiver options for Medicaid agency.
        
        (a) 
         The agency may apply for a waiver at any time it has the procedures referred to under  § 456.505(b) in operation at least—
    
    
    
    
        
        (b) 
         Any hospital or mental hospital participating under the plan that is not covered by a waiver must continue to meet all the UR plan requirements under subpart C or D of this part.
    
    [43 FR 45266, Sept. 29, 1978, as amended at 61 FR 38399, July 24, 1996]