16.13—Parties to the hearing.
               		
               	 	
               	 	
               	 	               	 	               	 	               	 	               	 	
               	 	
    
        
        (a) 
         The parties to the hearing shall be the
 defendant and the authority.
     
    
        
        (b) 
         Pursuant to 31 U.S.C. 3730(c)(5), a private
 plaintiff under the False Claims Act may
 participate in these proceedings to the extent
 authorized by the provisions of that Act.