455.20—Recipient verification procedure.
        
        (a) 
         The agency must have a method for verifying with recipients whether services billed by providers were received.
    
    
        
        (b) 
         In States receiving Federal matching funds for a mechanized claims processing and information retrieval system under  part 433, subpart C, of this subchapter, the agency must provide prompt written notice as required by  § 433.116 (e) and (f).
    
    [48 FR 3756, Jan. 27, 1983, as amended at 56 FR 8854, Mar. 1, 1991]