The term national nonprofit producer-governed organization means an organization that—
    
    
        
        (a) 
         Is a nonprofit organization pursuant to  section 501(c) (3), (5) or (6) of the Internal Revenue Code (26 U.S.C. 501(c) (3), (5) and (6)); and
     
    
        
        (b) 
         Is governed by a Board of directors of agricultural producers representing soybean producers on a national basis;