424.74—Termination of provider agreement.
         CMS may terminate a provider agreement, in accordance with  § 489.53(a)(1) of this chapter, if the provider—
    
    
        
        (a) 
         Executes or continues a power of attorney, or enters into or continues any other arrangement, that authorizes or permits payment contrary to the provisions of this subpart; or
    
    
        
        (b) 
         Fails to furnish, upon request by CMS or the intermediary, evidence necessary to establish compliance with the requirements of this subpart.