89.7—Exceptions to delegated authority.
         The authority delegated under  § 89.5 does not apply to any claim:
    
    
        
        (a) 
         As to which there is an indication of (1) fraud; (2) the presentation of a false claim; or (3) misrepresentation on the part of the debtor or any other party having an interest in the claim;
    
    
    
        
        (c) 
         Arising from an exception made by the General Accounting Office in the account of an accountable officer.