426.300—Review of LCDs, NCDs, and deemed NCDs.
        
        (a) 
         Upon the receipt of an acceptable LCD complaint as described in  § 426.400, an ALJ conducts a review of a challenged provision (or provisions) of an LCD using the reasonableness standard.
    
    
        
        (b) 
         Upon the receipt of an acceptable NCD complaint as described in  § 426.500, the Board conducts an NCD review of a challenged provision (or provisions) of an NCD using the reasonableness standard.
    
    
        
        (c) 
         The procedures established in this part governing the review of NCDs also apply in cases in which a deemed NCD is challenged.