105-68.505—Who uses the EPLS?
        
        (a) 
         Federal agency officials use the EPLS to determine whether to enter  into a transaction with a person, as required under  § 105-68.430.
    
    
    
        
        (1) 
         Principals of their transactions are excluded or disqualified, as required under  § 105-68.320; or
    
    
        
        (2) 
         Persons with whom they are entering into covered transactions at the next lower tier are excluded or disqualified.