You check to see if a person is excluded or disqualified in two ways:
    
    
        
        (a) 
         You as an agency official must check the EPLS when you take any action listed in  § 919.425.
     
    
        
        (b) 
         You must review information that a participant gives you, as required by  § 919.335, about its status or the status of the principals of a transaction.