CCC will not provide an administrative appeal with respect to issues which were subject to administrative review at the debtor's request as provided under another statute or regulation before:
    
    
        
        (a) 
         Effecting administrative offset;
     
    
        
        (b) 
         Referring the debt to private collection or credit reporting agencies;
     
    
        
        (c) 
         Referring the debt to the Office of Personnel Management (OPM) for salary offset against the current pay of a present or former Government employee; or
     
    
        
        (d) 
         Referring the debt to IRS for tax refund offset.